diff --git a/xCAT-server/lib/xcat/plugins/imgport.pm b/xCAT-server/lib/xcat/plugins/imgport.pm
index 02aa08acf..ee5e5c831 100644
--- a/xCAT-server/lib/xcat/plugins/imgport.pm
+++ b/xCAT-server/lib/xcat/plugins/imgport.pm
@@ -1312,7 +1312,7 @@ sub manifest_adapter {
        }
     }
 
-    foreach my $col(keys %colstodel){
+    foreach my $col (keys %colstodel){
        delete($data->{$col});
     }