diff --git a/tmk_core/common/avr/bootloader_size.c b/tmk_core/common/avr/bootloader_size.c
index 0d8d534f84..a029f9321f 100644
--- a/tmk_core/common/avr/bootloader_size.c
+++ b/tmk_core/common/avr/bootloader_size.c
@@ -16,5 +16,6 @@
 #include <avr/io.h>
 #include <avr/boot.h>
 
+// clang-format off
 // this is not valid C - it's for computing the size available on the chip
-AVR_SIZE: FLASHEND + 1 - BOOTLOADER_SIZE
\ No newline at end of file
+AVR_SIZE: FLASHEND + 1 - BOOTLOADER_SIZE