diff --git a/arch/arm/plat-samsung/dev-wdt.c b/arch/arm/plat-samsung/dev-wdt.c
index 5efca87cddbd4f9c7e02e22435004cfb70a04c4e..019b5b8cf14cfbce01d70e91e82f66c931f6dc9a 100644
--- a/arch/arm/plat-samsung/dev-wdt.c
+++ b/arch/arm/plat-samsung/dev-wdt.c
@@ -21,7 +21,7 @@
 static struct resource s3c_wdt_resource[] = {
 	[0] = {
 		.start	= S3C_PA_WDT,
-		.end	= S3C_PA_WDT + SZ_1M - 1,
+		.end	= S3C_PA_WDT + SZ_1K,
 		.flags	= IORESOURCE_MEM,
 	},
 	[1] = {