diff --git a/DACircularProgress/DACircularProgressView.m b/DACircularProgress/DACircularProgressView.m
index ec4e30f..fe64fdd 100644
--- a/DACircularProgress/DACircularProgressView.m
+++ b/DACircularProgress/DACircularProgressView.m
@@ -225,8 +225,11 @@ - (void)setProgress:(CGFloat)progress
 
 - (void)animationDidStop:(CAAnimation *)animation finished:(BOOL)flag
 {
-   NSNumber *pinnedProgressNumber = [animation valueForKey:@"toValue"];
-   self.circularProgressLayer.progress = [pinnedProgressNumber floatValue];
+   if (flag)
+   {
+       NSNumber *pinnedProgressNumber = [animation valueForKey:@"toValue"];
+       self.circularProgressLayer.progress = [pinnedProgressNumber floatValue];
+   }
 }