diff --git a/arch/arm/mach-exynos/pmu.c b/arch/arm/mach-exynos/pmu.c
index ccb012009cd8..c15761ca2f18 100644
--- a/arch/arm/mach-exynos/pmu.c
+++ b/arch/arm/mach-exynos/pmu.c
@@ -25,7 +25,7 @@
 
 struct exynos_pmu_conf {
 	unsigned int offset;
-	unsigned int val[NUM_SYS_POWERDOWN];
+	u8 val[NUM_SYS_POWERDOWN];
 };
 
 struct exynos_pmu_data {