diff --git a/targets/Cloud_STM32F429IGTx_FIRE/GCC/Makefile b/targets/Cloud_STM32F429IGTx_FIRE/GCC/Makefile
index 03b7dd011..7ba9da42c 100644
--- a/targets/Cloud_STM32F429IGTx_FIRE/GCC/Makefile
+++ b/targets/Cloud_STM32F429IGTx_FIRE/GCC/Makefile
@@ -672,6 +672,7 @@ endif
 
 # default action: build all
 all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+	$(error test build error)
 
 #######################################
 # build the application