diff --git a/keyboards/truestrike42/config.h b/keyboards/truestrike42/config.h
index 5a42d84964e..fa59ed6b85c 100644
--- a/keyboards/truestrike42/config.h
+++ b/keyboards/truestrike42/config.h
@@ -29,7 +29,7 @@
 #define DEFAULT_BOTTOMING_READING 0
 #define DEFAULT_CALIBRATION_STARTER true
 
-#define EECONFIG_KB_DATA_SIZE 256
+#define EECONFIG_KB_DATA_SIZE 105
 
 #define DEBUG_MATRIX_SCAN_RATE
 
diff --git a/keyboards/truestrike42/he_switch_matrix.h b/keyboards/truestrike42/he_switch_matrix.h
index 98421a14e89..27c5bd16148 100644
--- a/keyboards/truestrike42/he_switch_matrix.h
+++ b/keyboards/truestrike42/he_switch_matrix.h
@@ -49,6 +49,9 @@ typedef struct {
     uint16_t bottoming_reading[MATRIX_ROWS][MATRIX_COLS];                       // bottoming reading
 } he_config_t;
 
+// Check if the size of the reserved persistent memory is the same as the size of struct eeprom_ec_config_t
+_Static_assert(sizeof(eeprom_he_config_t) == EECONFIG_KB_DATA_SIZE, "Mismatch in keyboard EECONFIG stored data");
+
 extern eeprom_he_config_t eeprom_he_config;
 extern he_config_t he_config;
 
diff --git a/keyboards/truestrike42/truestrike42.c b/keyboards/truestrike42/truestrike42.c
index df9dce9308e..62fb4eedeec 100644
--- a/keyboards/truestrike42/truestrike42.c
+++ b/keyboards/truestrike42/truestrike42.c
@@ -39,7 +39,7 @@ void eeconfig_init_kb(void) {
         }
     }
     // Write default value to EEPROM now
-    eeconfig_update_kb_datablock(&eeprom_he_config);
+    eeconfig_update_kb_datablock(&eeprom_he_config, 0, EECONFIG_KB_DATA_SIZE);
 
     eeconfig_init_user();
 }
@@ -50,7 +50,7 @@ void keyboard_post_init_kb(void) {
     keyboard_post_init_user();
 
     // Read custom menu variables from memory
-    eeconfig_read_kb_datablock(&eeprom_he_config);
+    eeconfig_read_kb_datablock(&eeprom_he_config, 0, EECONFIG_KB_DATA_SIZE);
 
     // Set runtime values to EEPROM values
     he_config.actuation_mode                 = eeprom_he_config.actuation_mode;
diff --git a/keyboards/truestrike42/via_he.c b/keyboards/truestrike42/via_he.c
index 145d7f8e8db..1673aeb2483 100644
--- a/keyboards/truestrike42/via_he.c
+++ b/keyboards/truestrike42/via_he.c
@@ -262,7 +262,7 @@ void he_save_threshold_data(uint8_t option) {
         eeprom_he_config.mode_1_release_offset     = he_config.mode_1_release_offset;
         he_rescale_values(2);
     }
-    eeconfig_update_kb_datablock(&eeprom_he_config);
+    eeconfig_update_kb_datablock(&eeprom_he_config, 0, EECONFIG_KB_DATA_SIZE);
     uprintf("####################################\n");
     uprintf("# New thresholds applied and saved #\n");
     uprintf("####################################\n");
@@ -287,7 +287,7 @@ void he_save_bottoming_reading(void) {
     he_rescale_values(0);
     he_rescale_values(1);
     he_rescale_values(2);
-    eeconfig_update_kb_datablock(&eeprom_he_config);
+    eeconfig_update_kb_datablock(&eeprom_he_config, 0, EECONFIG_KB_DATA_SIZE);
 }
 
 // Show the calibration data