diff --git a/apps/app_waitforsilence.c b/apps/app_waitforsilence.c
index b29286a36d8b6b36b3f923c4257e4f3f16e673f5..66ce401035de4ce9bd3003fdadeb1eebdd06b939 100755
--- a/apps/app_waitforsilence.c
+++ b/apps/app_waitforsilence.c
@@ -122,7 +122,7 @@ static int waitforsilence_exec(struct ast_channel *chan, void *data)
 	res = ast_answer(chan); /* Answer the channel */
 
 	if (!data || ((sscanf(data, "%d|%d", &duration, &iterations) != 2) &&
-		(sscanf(data, "%d", &duration != 1)))) {
+		(sscanf(data, "%d", &duration) != 1))) {
 		ast_log(LOG_WARNING, "Using default value of 1000ms, 1 iteration\n");
 	}