diff --git a/api/server/utils/staticCache.js b/api/server/utils/staticCache.js
index 79b98dd173..65e7bbc58c 100644
--- a/api/server/utils/staticCache.js
+++ b/api/server/utils/staticCache.js
@@ -8,7 +8,7 @@ const maxAge = process.env.STATIC_CACHE_MAX_AGE || oneWeekInSeconds * 4;
 const staticCache = (staticPath) =>
   express.static(staticPath, {
     setHeaders: (res) => {
-      if (process.env.NODE_ENV.toLowerCase() !== 'production') {
+      if (process.env.NODE_ENV?.toLowerCase() !== 'production') {
         return;
       }