diff --git a/crates/mako/src/generate/chunk_pot/util.rs b/crates/mako/src/generate/chunk_pot/util.rs
index 11bf8148d..3fcb320df 100644
--- a/crates/mako/src/generate/chunk_pot/util.rs
+++ b/crates/mako/src/generate/chunk_pot/util.rs
@@ -102,7 +102,8 @@ pub(crate) fn runtime_code(context: &Arc<Context>) -> Result<String> {
         umd,
         is_browser: matches!(context.config.platform, crate::config::Platform::Browser),
         cjs: context.config.cjs,
-        chunk_loading_global: context.config.output.chunk_loading_global.clone(),
+        chunk_loading_global: serde_json::to_string(&context.config.output.chunk_loading_global)
+            .unwrap(),
         cross_origin_loading: context
             .config
             .output
diff --git a/crates/mako/templates/app_runtime.stpl b/crates/mako/templates/app_runtime.stpl
index e3b00e912..002c0019c 100644
--- a/crates/mako/templates/app_runtime.stpl
+++ b/crates/mako/templates/app_runtime.stpl
@@ -377,7 +377,7 @@ function createRuntime(makoModules, entryModuleId, global) {
       installedChunks[id] = 0;
     }
   };
-  var chunkLoadingGlobal = global['<%= chunk_loading_global.clone() %>'] = global['<%= chunk_loading_global.clone() %>'] || [];
+  var chunkLoadingGlobal = global[<%- chunk_loading_global.clone() %>] = global[<%- chunk_loading_global.clone() %>] || [];
 	chunkLoadingGlobal.forEach(jsonpCallback.bind(null));
   chunkLoadingGlobal.push = (function(push, data) {
     push(data);
diff --git a/e2e/fixtures/config.output.chunk_loading_global/expect.js b/e2e/fixtures/config.output.chunk_loading_global/expect.js
new file mode 100644
index 000000000..915eb4498
--- /dev/null
+++ b/e2e/fixtures/config.output.chunk_loading_global/expect.js
@@ -0,0 +1,16 @@
+const assert = require("assert");
+const { parseBuildResult, string2RegExp } = require("../../../scripts/test-utils");
+const { files } = parseBuildResult(__dirname);
+
+assert(
+  files['index.js'].includes(`global["foo' oo"]`),
+  "chunk loading should work in entry"
+);
+
+assert(
+  files['src_a_ts-async.js'].includes(
+    `(typeof globalThis !== "undefined" ? globalThis : self)["foo' oo"]`
+  ),
+  "chunk loading should work in async chunk"
+);
+
diff --git a/e2e/fixtures/config.output.chunk_loading_global/mako.config.json b/e2e/fixtures/config.output.chunk_loading_global/mako.config.json
new file mode 100644
index 000000000..5b0117a5f
--- /dev/null
+++ b/e2e/fixtures/config.output.chunk_loading_global/mako.config.json
@@ -0,0 +1,5 @@
+{
+  "output": {
+    "chunkLoadingGlobal": "foo' oo"
+  }
+}
diff --git a/e2e/fixtures/config.output.chunk_loading_global/src/a.ts b/e2e/fixtures/config.output.chunk_loading_global/src/a.ts
new file mode 100644
index 000000000..0ed5c3008
--- /dev/null
+++ b/e2e/fixtures/config.output.chunk_loading_global/src/a.ts
@@ -0,0 +1 @@
+export default 'a';
diff --git a/e2e/fixtures/config.output.chunk_loading_global/src/index.tsx b/e2e/fixtures/config.output.chunk_loading_global/src/index.tsx
new file mode 100644
index 000000000..1cb36827c
--- /dev/null
+++ b/e2e/fixtures/config.output.chunk_loading_global/src/index.tsx
@@ -0,0 +1,2 @@
+import('./a');
+console.log(1);