diff --git a/keyboard/planck/Makefile b/keyboard/planck/Makefile
index 3716f0db921..68a4181f9ad 100644
--- a/keyboard/planck/Makefile
+++ b/keyboard/planck/Makefile
@@ -48,18 +48,22 @@ TOP_DIR = ../..
 TARGET_DIR = .
 
 # # project specific files
-# SRC =	keymap_common.c \
-# 	matrix_handwire.c \
-# 	led.c \
-# 	backlight.c
+ifdef COMMON
+SRC = keymap_common.c \
+	matrix_handwire.c \
+	led.c \
+	backlight.c
 
-# ifdef KEYMAP
-#     SRC := keymap_$(KEYMAP).c $(SRC)
-# else
-#     SRC := keymap_jack.c $(SRC)
-# endif
+ifdef KEYMAP
+    SRC := keymap_$(KEYMAP).c $(SRC)
+else
+    SRC := keymap_jack.c $(SRC)
+endif
+
+else
 
 # project specific files
+
 SRC =	extended_keymap_common.c \
 	matrix_handwire.c \
 	led.c \
@@ -71,6 +75,8 @@ else
     SRC := extended_keymap_jack.c $(SRC)
 endif
 
+endif
+
 CONFIG_H = config.h
 
 # MCU name