diff --git a/nginx.conf b/nginx.conf
index 98a33f5..a93d2f7 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -17,8 +17,17 @@ server {
     gzip_min_length 1024;
     gzip_comp_level 6;
 
-    # Cache static assets
-    location ~* \.(css|js|jsx|woff2?|ttf|svg|png|jpg|jpeg|ico|gif|webp)$ {
+    # JSX files — force correct MIME type (not in nginx default mime.types)
+    location ~* \.jsx$ {
+        types { }
+        default_type application/javascript;
+        expires 1d;
+        add_header Cache-Control "public, must-revalidate";
+        try_files $uri =404;
+    }
+
+    # Cache other static assets
+    location ~* \.(css|js|woff2?|ttf|svg|png|jpg|jpeg|ico|gif|webp)$ {
         expires 7d;
         add_header Cache-Control "public, immutable";
         try_files $uri =404;