diff --git a/app/frontend/src/App.tsx b/app/frontend/src/App.tsx
index 6825b9e..6b6ab42 100644
--- a/app/frontend/src/App.tsx
+++ b/app/frontend/src/App.tsx
@@ -13,7 +13,7 @@ const themeCache = createCache({
   key: "cv",
 });
 
-const i: EmotionCache["insert"] = (...args) => themeCache.insert(...args);
+const i = themeCache.insert.bind(themeCache);
 themeCache.insert = (...args) => {
   args[2].tags.forEach((t) => {
     if (!t.getAttribute("media")) {