diff --git a/tpl/macros_struct.twig b/tpl/macros_struct.twig
index d68a15a..d30dd35 100644
--- a/tpl/macros_struct.twig
+++ b/tpl/macros_struct.twig
@@ -305,7 +305,9 @@ func Save{{ ctx.s.name }}CollectionDiff(ctx context.Context, dbe metadb.Execer,
 		queryBuilder.WriteString(builder.update.String())
 
 		_, saveErr := dbe.ExecContext(ctx, queryBuilder.String(), builder.rawValues...)
-		return errors.Wrap(saveErr, queryBuilder.String())
+		if saveErr != nil {
+			return errors.Wrap(saveErr, queryBuilder.String())
+		}
 	}
 
 	return nil