diff --git a/SDWebImage/UIImageView+WebCache.m b/SDWebImage/UIImageView+WebCache.m
index 51663dd4..1e225eb0 100644
--- a/SDWebImage/UIImageView+WebCache.m
+++ b/SDWebImage/UIImageView+WebCache.m
@@ -43,7 +43,9 @@ static char imageURLKey;
     objc_setAssociatedObject(self, &imageURLKey, url, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 
     if (!(options & SDWebImageDelayPlaceholder)) {
-        self.image = placeholder;
+        dispatch_main_async_safe(^{
+            self.image = placeholder;
+        });
     }
     
     if (url) {