diff --git a/internal/web_bundle/create_webpack_config.js b/internal/web_bundle/create_webpack_config.js
index 7b4a914..7921622 100644
--- a/internal/web_bundle/create_webpack_config.js
+++ b/internal/web_bundle/create_webpack_config.js
@@ -68,6 +68,7 @@ module.exports = (
 
   const base = path.join(process.cwd(), sourceDir)
   const gendir = path.join(base, process.env["GENDIR"], '..', 'bin')
+  const gendir2 = path.join(base, process.env["GENDIR"])
 
   return {
     entry: (sourceDir.startsWith("/") ? "" : "./") + path.join(
@@ -232,6 +233,7 @@ module.exports = (
         path.join(loadersNpmPackagesDir, "node_modules"),
         base,
         gendir,
+        gendir2,
       ]
     },
     resolveLoader: {
diff --git a/internal/web_bundle/rule.bzl b/internal/web_bundle/rule.bzl
index 6bb8f39..159088c 100644
--- a/internal/web_bundle/rule.bzl
+++ b/internal/web_bundle/rule.bzl
@@ -173,7 +173,7 @@ server.listen(port, 'localhost', function (err) {{
     ctx.actions.write(
         output = ctx.outputs.devserver,
         is_executable = True,
-        content = "NODE_PATH=" + ctx.attr._internal_packages[NpmPackagesInfo].installed_dir.short_path + "/node_modules " + ctx.file._internal_nodejs.path + " " + webpack_devserver_js.short_path,
+        content = "GENDIR=" + ctx.var["GENDIR"] + " NODE_PATH=" + ctx.attr._internal_packages[NpmPackagesInfo].installed_dir.short_path + "/node_modules " + ctx.file._internal_nodejs.path + " " + webpack_devserver_js.short_path,
     )
 
     return [