diff --git a/DMCircularScrollView/DMCircularScrollView/DMCircularScrollView.m b/DMCircularScrollView/DMCircularScrollView/DMCircularScrollView.m
index c964311..6d22376 100644
--- a/DMCircularScrollView/DMCircularScrollView/DMCircularScrollView.m
+++ b/DMCircularScrollView/DMCircularScrollView/DMCircularScrollView.m
@@ -196,7 +196,7 @@ - (void)scrollViewDidEndDragging:(UIScrollView *)sv willDecelerate:(BOOL)deceler
     }
 }
 
-- (void)scrollViewDidEndZooming:(UIScrollView *)sv withView:(UIView *)view atScale:(double)scale
+- (void)scrollViewDidEndZooming:(UIScrollView *)sv withView:(UIView *)view atScale:(CGFloat)scale
 {
     if (self.scrollViewDelegate && [self.scrollViewDelegate respondsToSelector:@selector(scrollViewDidEndZooming:withView:atScale:)])
     {