diff --git a/Demos/Device/ClassDriver/AudioInput/asf.xml b/Demos/Device/ClassDriver/AudioInput/asf.xml
index 87a117a0853..3320ea79699 100644
--- a/Demos/Device/ClassDriver/AudioInput/asf.xml
+++ b/Demos/Device/ClassDriver/AudioInput/asf.xml
@@ -34,6 +34,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/ClassDriver/AudioOutput/asf.xml b/Demos/Device/ClassDriver/AudioOutput/asf.xml
index 0dbc88146eb..0b00bb324e3 100644
--- a/Demos/Device/ClassDriver/AudioOutput/asf.xml
+++ b/Demos/Device/ClassDriver/AudioOutput/asf.xml
@@ -34,6 +34,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/ClassDriver/GenericHID/asf.xml b/Demos/Device/ClassDriver/GenericHID/asf.xml
index 2c09cc4589b..9996d7bc7e0 100644
--- a/Demos/Device/ClassDriver/GenericHID/asf.xml
+++ b/Demos/Device/ClassDriver/GenericHID/asf.xml
@@ -32,6 +32,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/ClassDriver/MassStorage/asf.xml b/Demos/Device/ClassDriver/MassStorage/asf.xml
index bcd3b7ec1d2..7c93d23a732 100644
--- a/Demos/Device/ClassDriver/MassStorage/asf.xml
+++ b/Demos/Device/ClassDriver/MassStorage/asf.xml
@@ -38,6 +38,7 @@
 		<build type="header-file" value="Lib/SCSI.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/asf.xml b/Demos/Device/ClassDriver/MassStorageKeyboard/asf.xml
index fb1256ec87c..f9743419029 100644
--- a/Demos/Device/ClassDriver/MassStorageKeyboard/asf.xml
+++ b/Demos/Device/ClassDriver/MassStorageKeyboard/asf.xml
@@ -39,6 +39,7 @@
 		<build type="header-file" value="Lib/SCSI.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/ClassDriver/RNDISEthernet/asf.xml b/Demos/Device/ClassDriver/RNDISEthernet/asf.xml
index 526ece60fa3..1c3dfe97f35 100644
--- a/Demos/Device/ClassDriver/RNDISEthernet/asf.xml
+++ b/Demos/Device/ClassDriver/RNDISEthernet/asf.xml
@@ -51,6 +51,7 @@
 		<build type="header-file" value="Lib/EthernetProtocols.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/ClassDriver/VirtualSerialMassStorage/asf.xml b/Demos/Device/ClassDriver/VirtualSerialMassStorage/asf.xml
index f02759736d3..3aec58ded8f 100644
--- a/Demos/Device/ClassDriver/VirtualSerialMassStorage/asf.xml
+++ b/Demos/Device/ClassDriver/VirtualSerialMassStorage/asf.xml
@@ -40,6 +40,7 @@
 		<build type="header-file" value="Lib/SCSI.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/LowLevel/AudioInput/asf.xml b/Demos/Device/LowLevel/AudioInput/asf.xml
index 3b62f83f2f5..f95f448a860 100644
--- a/Demos/Device/LowLevel/AudioInput/asf.xml
+++ b/Demos/Device/LowLevel/AudioInput/asf.xml
@@ -34,6 +34,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/LowLevel/AudioOutput/asf.xml b/Demos/Device/LowLevel/AudioOutput/asf.xml
index 522f1d0e548..07ffa3624a8 100644
--- a/Demos/Device/LowLevel/AudioOutput/asf.xml
+++ b/Demos/Device/LowLevel/AudioOutput/asf.xml
@@ -34,6 +34,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/LowLevel/GenericHID/asf.xml b/Demos/Device/LowLevel/GenericHID/asf.xml
index 436e7b4d97f..c303c6b3248 100644
--- a/Demos/Device/LowLevel/GenericHID/asf.xml
+++ b/Demos/Device/LowLevel/GenericHID/asf.xml
@@ -34,6 +34,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/LowLevel/MassStorage/asf.xml b/Demos/Device/LowLevel/MassStorage/asf.xml
index 6ffa794379a..ffe07fbcff2 100644
--- a/Demos/Device/LowLevel/MassStorage/asf.xml
+++ b/Demos/Device/LowLevel/MassStorage/asf.xml
@@ -38,6 +38,7 @@
 		<build type="header-file" value="Lib/SCSI.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Device/LowLevel/RNDISEthernet/asf.xml b/Demos/Device/LowLevel/RNDISEthernet/asf.xml
index b33bf8238af..292690f1069 100644
--- a/Demos/Device/LowLevel/RNDISEthernet/asf.xml
+++ b/Demos/Device/LowLevel/RNDISEthernet/asf.xml
@@ -53,6 +53,7 @@
 		<build type="header-file" value="Lib/EthernetProtocols.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Host/ClassDriver/AudioOutputHost/asf.xml b/Demos/Host/ClassDriver/AudioOutputHost/asf.xml
index c09757fed93..45aaa7de6d0 100644
--- a/Demos/Host/ClassDriver/AudioOutputHost/asf.xml
+++ b/Demos/Host/ClassDriver/AudioOutputHost/asf.xml
@@ -32,6 +32,7 @@
 		<build type="header-file" value="AudioOutputHost.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Demos/Host/LowLevel/AudioOutputHost/asf.xml b/Demos/Host/LowLevel/AudioOutputHost/asf.xml
index 0f9f4efde7a..56b99447813 100644
--- a/Demos/Host/LowLevel/AudioOutputHost/asf.xml
+++ b/Demos/Host/LowLevel/AudioOutputHost/asf.xml
@@ -34,6 +34,7 @@
 		<build type="header-file" value="ConfigDescriptor.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/LUFA/StudioIntegration/makefile b/LUFA/StudioIntegration/makefile
index 9dee4379793..207d7d0494f 100644
--- a/LUFA/StudioIntegration/makefile
+++ b/LUFA/StudioIntegration/makefile
@@ -83,4 +83,7 @@ check_filenames: $(MODULE_OUTPUT_XML)
 	done;
 	@echo Verified referenced filenames of ASF.xml modules.
 
+sanity_check:
+	python ProjectGenerator/project_generator.py -b $(LUFA_ROOT)/../ --main-ext-uuid=0e160d5c-e331-48d9-850b-e0387912171b CHECK
+
 .PHONY: all clean generate_xml generate_vsix check_filenames
diff --git a/Projects/AVRISP-MKII/asf.xml b/Projects/AVRISP-MKII/asf.xml
index 44be0aa7ec0..fe05c5ce15a 100644
--- a/Projects/AVRISP-MKII/asf.xml
+++ b/Projects/AVRISP-MKII/asf.xml
@@ -89,6 +89,7 @@
 		<build type="header-file" value="Lib/XPROG/TINYNVM.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Projects/Benito/asf.xml b/Projects/Benito/asf.xml
index 8d29e9457ed..42657cabb12 100644
--- a/Projects/Benito/asf.xml
+++ b/Projects/Benito/asf.xml
@@ -35,6 +35,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Projects/MIDIToneGenerator/asf.xml b/Projects/MIDIToneGenerator/asf.xml
index 55d4a5d3ed7..7a3e64da97c 100644
--- a/Projects/MIDIToneGenerator/asf.xml
+++ b/Projects/MIDIToneGenerator/asf.xml
@@ -34,6 +34,7 @@
 		<build type="header-file" value="Descriptors.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Projects/Magstripe/asf.xml b/Projects/Magstripe/asf.xml
index edb03751a18..c5e885045e8 100644
--- a/Projects/Magstripe/asf.xml
+++ b/Projects/Magstripe/asf.xml
@@ -38,6 +38,7 @@
 		<build type="header-file" value="Lib/MagstripeHW.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Projects/TempDataLogger/asf.xml b/Projects/TempDataLogger/asf.xml
index 6e5528b1ce1..55a1a19de5a 100644
--- a/Projects/TempDataLogger/asf.xml
+++ b/Projects/TempDataLogger/asf.xml
@@ -53,6 +53,7 @@
 		<build type="header-file" value="Lib/FATFs/integer.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Projects/Webserver/asf.xml b/Projects/Webserver/asf.xml
index abb30fe653c..d4934bcc5d1 100644
--- a/Projects/Webserver/asf.xml
+++ b/Projects/Webserver/asf.xml
@@ -78,6 +78,7 @@
 		<build type="header-file" value="Lib/uip/uipopt.h"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>
 
diff --git a/Projects/XPLAINBridge/asf.xml b/Projects/XPLAINBridge/asf.xml
index f410b6f2efc..91fb723348d 100644
--- a/Projects/XPLAINBridge/asf.xml
+++ b/Projects/XPLAINBridge/asf.xml
@@ -40,6 +40,7 @@
 		<require idref="lufa.projects.avrispmkii_clone.src"/>
 
 		<build type="module-config" subtype="path" value="Config"/>
+		<build type="module-config" subtype="required-header-file" value="AppConfig.h"/>
 		<build type="header-file" value="Config/AppConfig.h"/>
 		<build type="header-file" value="Config/LUFAConfig.h"/>