diff --git a/CTAssetsPickerController/CTAssetsGridSelectedView.m b/CTAssetsPickerController/CTAssetsGridSelectedView.m
index 9c984579..d3fcca1f 100644
--- a/CTAssetsPickerController/CTAssetsGridSelectedView.m
+++ b/CTAssetsPickerController/CTAssetsGridSelectedView.m
@@ -155,7 +155,7 @@ - (void)setShowsSelectionIndex:(BOOL)showsSelectionIndex
 - (void)setSelectionIndex:(NSUInteger)selectionIndex;
 {
     _selectionIndex = selectionIndex;
-    self.selectionIndexLabel.text = [NSString stringWithFormat:@"%lu", selectionIndex + 1];
+    self.selectionIndexLabel.text = [NSString stringWithFormat:@"%lu", (unsigned long)selectionIndex + 1];
 }
 
 
diff --git a/CTAssetsPickerDemo/Examples/CTBasicViewController.m b/CTAssetsPickerDemo/Examples/CTBasicViewController.m
index cfe994b1..d458f018 100644
--- a/CTAssetsPickerDemo/Examples/CTBasicViewController.m
+++ b/CTAssetsPickerDemo/Examples/CTBasicViewController.m
@@ -130,7 +130,7 @@ - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(N
 
     PHAsset *asset = [self.assets objectAtIndex:indexPath.row];
     cell.textLabel.text         = [self.dateFormatter stringFromDate:asset.creationDate];
-    cell.detailTextLabel.text   = [NSString stringWithFormat:@"%ld X %ld", (unsigned long)asset.pixelWidth, (unsigned long)asset.pixelHeight];
+    cell.detailTextLabel.text   = [NSString stringWithFormat:@"%ld X %ld", (long)asset.pixelWidth, (long)asset.pixelHeight];
     cell.accessoryType          = UITableViewCellAccessoryDisclosureIndicator;
     cell.clipsToBounds          = YES;