diff --git a/cli.ts b/cli.ts
old mode 100644
new mode 100755
diff --git a/server.ts b/server.ts
old mode 100755
new mode 100644
index 9ccb9b4..901cf15
--- a/server.ts
+++ b/server.ts
@@ -6,6 +6,13 @@ export async function processRequest(
   runner = Deno.run,
   fetcher = fetch,
 ): Promise<Response> {
+  if (req.method == "OPTIONS") {
+    return new Response(undefined, {
+      headers: {
+        "Access-Control-Allow-Origin": "*",
+      },
+    });
+  }
   if (req.method != "GET") {
     return new Response(undefined, { status: 405 });
   }
@@ -44,7 +51,12 @@ async function bundle(
   const output = await process.output();
   const status = await process.status();
   if (status.success) {
-    return new Response(output);
+    return new Response(output, {
+      headers: {
+        "Content-Type": "text/javascript",
+        "Access-Control-Allow-Origin": "*",
+      },
+    });
   } else {
     return new Response(
       `console.error("bundler error - Failed to bundle ${path}");`,
@@ -65,7 +77,7 @@ export async function serveBundles(hostpath: string, port: number) {
         const response = await processRequest(req.request, hostpath);
         await req.respondWith(response);
       } catch (err) {
-        // console.error(err);
+        console.error(err);
         await req.respondWith(Response.error());
       }
     }