diff --git a/Makefile-ARM b/Makefile-ARM
index 9f008dc..0c003ce 100644
--- a/Makefile-ARM
+++ b/Makefile-ARM
@@ -126,7 +126,7 @@ endif
 ifeq ($(MCU), lpc1114)
   STARTUP_FILE = cmsis-startup_lpc11xx.s
 else ifeq ($(MCU), stm32f411)
-  STARTUP_FILE = arm-startup_stm32f411xe.s
+  STARTUP_FILE = cmsis-startup_stm32f411xe.s
 endif
 
 # Startup definitions. Not target MCU specific.
diff --git a/arm-startup_stm32f411xe.s b/cmsis-startup_stm32f411xe.s
similarity index 100%
rename from arm-startup_stm32f411xe.s
rename to cmsis-startup_stm32f411xe.s