diff --git a/modules/slideimage/slideimage.go b/modules/slideimage/slideimage.go
index 302729649..748cc2d6c 100644
--- a/modules/slideimage/slideimage.go
+++ b/modules/slideimage/slideimage.go
@@ -173,6 +173,7 @@ func (s *SlideImage) Verify(id string, x int) bool {
 	imageRandX, _ := strconv.Atoi(values[1])
 	if int(math.Abs(float64(imageRandX-x))) <= s.Tolerance {
 		redis_client.SETNX(redisConn, s.mkey(id), "1", s.Expiration)
+		return true
 	}
 	return false