diff --git a/fw/hid-dials/Makefile b/fw/hid-dials/Makefile
index 06e7d76..b8f3ad4 100644
--- a/fw/hid-dials/Makefile
+++ b/fw/hid-dials/Makefile
@@ -53,7 +53,7 @@ CXX_SOURCES			+=
 
 BUILDDIR 		?= build
 BINARY 			:= minikbd.elf
-STARTUP_FILE 	:= startup_stm32f072xb.s
+STARTUP_FILE 	:= src/startup_stm32f072xb.s
 LDSCRIPT 		:= STM32F072CBUx_FLASH.ld
 
 ARCH_FLAGS	    := -mthumb -mcpu=cortex-m0 -mfloat-abi=soft
diff --git a/fw/hid-dials/startup_stm32f072xb.s b/fw/hid-dials/src/startup_stm32f072xb.s
similarity index 100%
rename from fw/hid-dials/startup_stm32f072xb.s
rename to fw/hid-dials/src/startup_stm32f072xb.s