diff --git a/SDWebImage/MKAnnotationView+WebCache.m b/SDWebImage/MKAnnotationView+WebCache.m
index dc97d9ba..be49ecbf 100644
--- a/SDWebImage/MKAnnotationView+WebCache.m
+++ b/SDWebImage/MKAnnotationView+WebCache.m
@@ -49,7 +49,7 @@ static char operationKey;
         id<SDWebImageOperation> operation = [SDWebImageManager.sharedManager downloadWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, BOOL fromCache, BOOL finished)
         {
             if (image) self.image = image;
-            if (completedBlock) completedBlock(image, error, fromCache);
+            if (completedBlock && finished) completedBlock(image, error, fromCache);
         }];
         objc_setAssociatedObject(self, &operationKey, operation, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
     }
diff --git a/SDWebImage/UIButton+WebCache.m b/SDWebImage/UIButton+WebCache.m
index 12dbc39e..1705d6d0 100644
--- a/SDWebImage/UIButton+WebCache.m
+++ b/SDWebImage/UIButton+WebCache.m
@@ -48,7 +48,7 @@ static char operationKey;
         id<SDWebImageOperation> operation = [SDWebImageManager.sharedManager downloadWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, BOOL fromCache, BOOL finished)
         {
             if (image) [self setImage:image forState:state];
-            if (completedBlock) completedBlock(image, error, fromCache);
+            if (completedBlock && finished) completedBlock(image, error, fromCache);
         }];
         objc_setAssociatedObject(self, &operationKey, operation, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
     }
@@ -90,7 +90,7 @@ static char operationKey;
         id<SDWebImageOperation> operation = [SDWebImageManager.sharedManager downloadWithURL:url options:options progress:nil completed:^(UIImage *image, NSError *error, BOOL fromCache, BOOL finished)
         {
             if (image) [self setBackgroundImage:image forState:state];
-            if (completedBlock) completedBlock(image, error, fromCache);
+            if (completedBlock && finished) completedBlock(image, error, fromCache);
         }];
         objc_setAssociatedObject(self, &operationKey, operation, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
     }
diff --git a/SDWebImage/UIImageView+WebCache.m b/SDWebImage/UIImageView+WebCache.m
index 2d200488..b16862cc 100644
--- a/SDWebImage/UIImageView+WebCache.m
+++ b/SDWebImage/UIImageView+WebCache.m
@@ -58,7 +58,7 @@ static char operationKey;
                 self.image = image;
                 [self setNeedsLayout];
             }
-            if (completedBlock)
+            if (completedBlock && finished)
             {
                 completedBlock(image, error, fromCache);
             }