diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index bd02272bcb0fee3dcdcfcc507c725b7d23bd8404..c284bdac9947088e57fb66bc120639422eaf8900 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -295,7 +295,7 @@ void __init mapin_ram(void)
 }
 
 /* is x a power of 4? */
-#define is_power_of_4(x)	is_power_of_2(x) && (ffs(x) & 1))
+#define is_power_of_4(x)	is_power_of_2(x) && (ffs(x) & 1)
 
 /*
  * Set up a mapping for a block of I/O.
diff --git a/arch/ppc/mm/pgtable.c b/arch/ppc/mm/pgtable.c
index 82b06a1ef95d6e532415bfb238d43311e5778e28..c023b7298809b282639168eb2125f4e9d3218de0 100644
--- a/arch/ppc/mm/pgtable.c
+++ b/arch/ppc/mm/pgtable.c
@@ -314,7 +314,7 @@ void __init mapin_ram(void)
 }
 
 /* is x a power of 4? */
-#define is_power_of_4(x)	is_power_of_2(x) && (ffs(x) & 1))
+#define is_power_of_4(x)	is_power_of_2(x) && (ffs(x) & 1)
 
 /*
  * Set up a mapping for a block of I/O.