diff --git a/xCAT-server/lib/xcat/plugins/imgport.pm b/xCAT-server/lib/xcat/plugins/imgport.pm
index d9af3c7c9..8836a7e1e 100644
--- a/xCAT-server/lib/xcat/plugins/imgport.pm
+++ b/xCAT-server/lib/xcat/plugins/imgport.pm
@@ -1388,7 +1388,7 @@ sub manifest_adapter {
        }
     }
 
-    foreach my $col(keys %colstodel){
+    foreach my $col (keys %colstodel){
        delete($data->{$col});
     }