diff --git a/src/southbridge/amd/rs780/gfx.c b/src/southbridge/amd/rs780/gfx.c
index 52bc071d4c..02be1f327e 100644
--- a/src/southbridge/amd/rs780/gfx.c
+++ b/src/southbridge/amd/rs780/gfx.c
@@ -103,8 +103,8 @@ MMIORANGE MMIO[8], CreativeMMIO[8];
 #define CIM_DISABLEPORT 0x80000002
 
 #define	MMIO_ATTRIB_NP_ONLY	1
-#define MMIO_ATTRIB_BOTTOM_TO_TOP 1<<1
-#define MMIO_ATTRIB_SKIP_ZERO 1<<2
+#define MMIO_ATTRIB_BOTTOM_TO_TOP (1 << 1)
+#define MMIO_ATTRIB_SKIP_ZERO (1 << 2)
 
 #ifdef DONT_TRUST_RESOURCE_ALLOCATION
 static MMIORANGE* AllocMMIO(MMIORANGE* pMMIO)