diff --git a/PSCollectionView.m b/PSCollectionView.m
index 2e5d405..a674336 100644
--- a/PSCollectionView.m
+++ b/PSCollectionView.m
@@ -262,7 +262,7 @@ - (void)relayoutViews {
             CGFloat top = [[colOffsets objectAtIndex:col] floatValue];
             CGFloat colHeight = [self.collectionViewDataSource collectionView:self heightForRowAtIndex:i];
             
-            CGRect viewRect = CGRectMake(left, top, self.colWidth, colHeight);
+            CGRect viewRect = CGRectIntegral(CGRectMake(left, top, self.colWidth, colHeight));
             
             // Add to index rect map
             [self.indexToRectMap setObject:NSStringFromCGRect(viewRect) forKey:key];