diff --git a/client/cmddata.c b/client/cmddata.c
index fc34f3e80..0403c4f28 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -773,7 +773,7 @@ int AutoCorrelate(const int *in, int *out, size_t len, int window, bool SaveGrph
 	}
 
 	int foo = ABS(hi-hi_1);
-	int bar = (int)(((hi+hi_1) / 2) * 0.03);  
+	int bar = (int)((int)((hi+hi_1) / 2) * 0.03);  
 	if ( verbose && foo < bar ) {
 		distance = idx_1 - idx;
 		PrintAndLogEx(SUCCESS, "possible 3% visible correlation %4d samples", distance);