diff --git a/arch/arm/mach-integrator/include/mach/memory.h b/arch/arm/mach-integrator/include/mach/memory.h
index 30d41d0e7d04..2b2e7a110724 100644
--- a/arch/arm/mach-integrator/include/mach/memory.h
+++ b/arch/arm/mach-integrator/include/mach/memory.h
@@ -26,7 +26,7 @@
 #define PHYS_OFFSET	UL(0x00000000)
 
 #define BUS_OFFSET	UL(0x80000000)
-#define __virt_to_bus(x)	(x - PAGE_OFFSET + BUS_OFFSET)
-#define __bus_to_virt(x)	(x - BUS_OFFSET + PAGE_OFFSET)
+#define __virt_to_bus(x)	((x) - PAGE_OFFSET + BUS_OFFSET)
+#define __bus_to_virt(x)	((x) - BUS_OFFSET + PAGE_OFFSET)
 
 #endif