diff --git a/Makefile b/Makefile
index 20c4f2a..745a7a7 100644
--- a/Makefile
+++ b/Makefile
@@ -13,6 +13,6 @@ CPU_FLAGS := -mthumb -mcpu=cortex-m3 -msoft-float -mfix-cortex-m3-ldrd
 	arm-none-eabi-objcopy -Obinary $*.elf $*.bin
 
 flash: main.bin
-	st-flash write main.bin 0x08000000
+	st-flash --reset write main.bin 0x08000000
 
 .PHONY: flash