diff --git a/src/__tests__/codegen.test.ts b/src/__tests__/codegen.test.ts
index dcbee13..04b0c17 100644
--- a/src/__tests__/codegen.test.ts
+++ b/src/__tests__/codegen.test.ts
@@ -26,13 +26,14 @@ describe('codegen', () => {
     expect(result[0].files[0]).toMatchInlineSnapshot(`
       {
         "code": "
-      const pluginCtMap = new Map(JSON.parse('[["foo.100","#fff"],["foo.200",{"base":"#000"}],["bar.100","red"],["bar.200","blue"]]'));
+
+      /* panda-plugin-ct codegen */
+      const pluginCtMap = new Map([["foo.100","#fff"],["foo.200",{"base":"#000"}],["bar.100","red"],["bar.200","blue"]]);
 
         export const ct = (path) => {
-          if (!pluginCtMap.has(path)) return 'panda-plugin-ct-alias-not-found';
+          if (!pluginCtMap.has(path)) return 'panda-plugin-ct_alias-not-found';
           return pluginCtMap.get(path);
-        };
-        ",
+        };",
         "file": "css.mjs",
       }
     `);
diff --git a/src/__tests__/map.test.ts b/src/__tests__/map.test.ts
index ec05e5f..16ca7ae 100644
--- a/src/__tests__/map.test.ts
+++ b/src/__tests__/map.test.ts
@@ -53,7 +53,7 @@ describe('mapTemplate', () => {
     expect(mapTemplate(map)).toMatchInlineSnapshot(
       `
       "
-      const pluginCtMap = new Map(JSON.parse('[["foo.100","#fff"],["foo.200",{"base":"#000"}]]'));
+      const pluginCtMap = new Map([["foo.100","#fff"],["foo.200",{"base":"#000"}]]);
       "
     `,
     );
diff --git a/src/codegen.ts b/src/codegen.ts
index fb6ce41..5cb8075 100644
--- a/src/codegen.ts
+++ b/src/codegen.ts
@@ -18,13 +18,13 @@ export const codegen = (
   const cssFile = cssFn.files.find((f) => f.file.includes('css.mjs'));
   if (!cssFile) return args.artifacts;
 
+  cssFile.code += '\n\n/* panda-plugin-ct codegen */';
   cssFile.code += mapTemplate(map);
   cssFile.code += `
   export const ct = (path) => {
-    if (!pluginCtMap.has(path)) return 'panda-plugin-ct-alias-not-found';
+    if (!pluginCtMap.has(path)) return 'panda-plugin-ct_alias-not-found';
     return pluginCtMap.get(path);
-  };
-  `;
+  };`;
 
   const cssDtsFile = cssFn.files.find((f) => f.file.includes('css.d.'));
   if (!cssDtsFile) return args.artifacts;
diff --git a/src/map.ts b/src/map.ts
index f7fda8d..400c175 100644
--- a/src/map.ts
+++ b/src/map.ts
@@ -56,4 +56,4 @@ const serializeMap = (map: Map<any, any>) => {
 
 // Generate a template string for the token alias Map.
 export const mapTemplate = (map: Map<string, any>) =>
-  `\nconst pluginCtMap = new Map(JSON.parse('${serializeMap(map)}'));\n`;
+  `\nconst pluginCtMap = new Map(${serializeMap(map)});\n`;