diff --git a/Demo/uIP_Demo_IAR_ARM7/SrcIAR/Board.h b/Demo/uIP_Demo_IAR_ARM7/SrcIAR/Board.h
index 0313bfdc6..aba67274f 100644
--- a/Demo/uIP_Demo_IAR_ARM7/SrcIAR/Board.h
+++ b/Demo/uIP_Demo_IAR_ARM7/SrcIAR/Board.h
@@ -17,7 +17,7 @@
 #define Board_h
 
 #include <AT91SAM7X256.h>
-#define __inline inline
+#define __inline static inline
 #include <lib_AT91SAM7X256.h>
 
 #define true	-1