diff --git a/packages/bazel/src/ng_module.bzl b/packages/bazel/src/ng_module.bzl
index a155413283..4d37bf8f05 100644
--- a/packages/bazel/src/ng_module.bzl
+++ b/packages/bazel/src/ng_module.bzl
@@ -176,7 +176,7 @@ def _expected_outs(ctx):
             else:
                 devmode_js = [".js"]
                 if not _is_bazel():
-                    devmode_js += ".ngfactory.js"
+                    devmode_js += [".ngfactory.js"]
                 summaries = []
                 metadata = []
         elif include_ng_files and short_path.endswith(".css"):