diff --git a/kern/kern_clockset.c b/kern/kern_clockset.c
index 6100344..79fb874 100644
--- a/kern/kern_clockset.c
+++ b/kern/kern_clockset.c
@@ -62,7 +62,7 @@ int ksilSblPostSsMgrSetCpRtc(unsigned int timestamp)
 int ksilDumpNvsAct(int fileno)
 {
 	char nvsBuf[0x20];
-	memset(nvsBuf,0x00,0x520);
+	memset(nvsBuf,0x00,0x20);
 	
 	int ret = ksceSblNvsReadData(0x520,nvsBuf,0x20);
 	if(fileno == 1)