diff --git a/modules/appmodel/app-transform-generator.c b/modules/appmodel/app-transform-generator.c
index 006a3bf27..38a8e6cf5 100644
--- a/modules/appmodel/app-transform-generator.c
+++ b/modules/appmodel/app-transform-generator.c
@@ -105,7 +105,7 @@ _generate_steps(AppTransformGenerator *self, GList *steps)
   for (GList *l = steps; l; l = l->next)
     {
       TransformStep *step = l->data;
-      g_string_append_printf(self->block, "        # step: %s", step->name);
+      g_string_append_printf(self->block, "        # step: %s\n", step->name);
       g_string_append_printf(self->block, "        %s\n", step->expr);
     }
 }