diff --git a/src/renderer/api/navidrome/navidrome-api.ts b/src/renderer/api/navidrome/navidrome-api.ts
index 455de0f0..0db59de7 100644
--- a/src/renderer/api/navidrome/navidrome-api.ts
+++ b/src/renderer/api/navidrome/navidrome-api.ts
@@ -173,9 +173,13 @@ axiosClient.interceptors.response.use(
     const serverId = useAuthStore.getState().currentServer?.id;
 
     if (serverId) {
-      useAuthStore.getState().actions.updateServer(serverId, {
-        ndCredential: response.headers['x-nd-authorization'] as string,
-      });
+      const headerCredential = response.headers['x-nd-authorization'] as string | undefined;
+
+      if (headerCredential) {
+        useAuthStore.getState().actions.updateServer(serverId, {
+          ndCredential: headerCredential,
+        });
+      }
     }
 
     return response;