diff --git a/content/apply.js b/content/apply.js
index ac0e03d3..d18b0a22 100644
--- a/content/apply.js
+++ b/content/apply.js
@@ -330,9 +330,9 @@
 
   function setContentsInPageContext() {
     try {
-      (document.head || ROOT).appendChild(document.createElement('script')).text = `
+      (document.head || ROOT).appendChild(document.createElement('script')).text = `(${queue => {
         document.currentScript.remove();
-        for (const {id, code} of ${JSON.stringify(pageContextQueue)}) {
+        for (const {id, code} of queue) {
           const el = document.getElementById(id) ||
                      document.querySelector('style.stylus[id="' + id + '"]');
           if (!el) continue;
@@ -340,7 +340,7 @@
           el.textContent = code;
           el.sheet.disabled = disabled;
         }
-      `;
+      }})(${JSON.stringify(pageContextQueue)})`;
     } catch (e) {}
     let failedSome;
     for (const {el, code} of pageContextQueue) {