diff --git a/src/server/middleware.ts b/src/server/middleware.ts
index 24ae1b95..0420e47e 100644
--- a/src/server/middleware.ts
+++ b/src/server/middleware.ts
@@ -27,12 +27,12 @@ export function setCacheControl(
   res: Response,
   next: NextFunction
 ) {
-  let caching: string;
-
   if (process.env.NODE_ENV !== "production") {
     return next();
   }
 
+  let caching: string;
+
   if (
     req.path.match(/\.(js|css|txt|manifest\.webmanifest)\/?$/) ||
     req.path.includes("/css/themelist")