diff --git a/Demo/ARM7_AT91FR40008_GCC/Makefile b/Demo/ARM7_AT91FR40008_GCC/Makefile
index 8503ffa8e..cd11c0ced 100644
--- a/Demo/ARM7_AT91FR40008_GCC/Makefile
+++ b/Demo/ARM7_AT91FR40008_GCC/Makefile
@@ -38,7 +38,7 @@ CRT0=boot.s
 #
 CFLAGS=-Wall -D $(RUN_MODE) -D GCC_AT91FR40008 -I. -I../../Source/include \
 		-I../Common/include $(DEBUG) -mcpu=arm7tdmi -T$(LDSCRIPT) \
-		-Wcast-align $(OPTIM) -fomit-frame-pointer
+		-Wcast-align $(OPTIM) -fomit-frame-pointer -fno-strict-aliasing
 
 ifeq ($(USE_THUMB_MODE),YES)
 	CFLAGS += -mthumb-interwork -D THUMB_INTERWORK