diff --git a/plugins/kiali-backend/src/clients/fetch.ts b/plugins/kiali-backend/src/clients/fetch.ts
index a750df62d3..8fa8cf104f 100644
--- a/plugins/kiali-backend/src/clients/fetch.ts
+++ b/plugins/kiali-backend/src/clients/fetch.ts
@@ -147,7 +147,8 @@ export class KialiFetcher {
       };
     }
 
-    requestInit.url = new URL(endpoint, this.KialiDetails.url).href;
+    const loginUrl = `${this.KialiDetails.url}/${endpoint.replace(/^\//g, '')}`;
+    requestInit.url = new URL(loginUrl).href;
 
     if (this.KialiDetails.skipTLSVerify) {
       requestInit.httpsAgent = new https.Agent({