diff --git a/par-api/src/main/java/com/par/api/controller/ConfigController.java b/par-api/src/main/java/com/par/api/controller/ConfigController.java
index 4947d71..b85f84b 100644
--- a/par-api/src/main/java/com/par/api/controller/ConfigController.java
+++ b/par-api/src/main/java/com/par/api/controller/ConfigController.java
@@ -80,6 +80,9 @@ public class ConfigController {
             log.error("Failed to read config: siteId={}, version={}", siteId, version, e);
             return ResponseEntity.status(500).body("Failed to read config");
         }
+        if (content == null) {
+            return ResponseEntity.notFound().build();
+        }
 
         return ResponseEntity.ok()
                 .eTag(config.getConfigHash())
diff --git a/web/src/api/index.js b/web/src/api/index.js
index 5155377..e508618 100644
--- a/web/src/api/index.js
+++ b/web/src/api/index.js
@@ -39,7 +39,7 @@ export default {
   configs: {
     list: () => api.get('/configs'),
     pending: () => api.get('/configs/pending'),
-    download: (siteId, version) => api.get(`/configs/${siteId}/${version}`, { responseType: 'text' }),
+    download: (siteId, version) => api.get(`/configs/${siteId}/${version}`),
     approve: (id, comment) => api.post(`/admin/reviews/${id}/approve`, null, { params: { comment } }),
     reject: (id, comment) => api.post(`/admin/reviews/${id}/reject`, null, { params: { comment } })
   },