diff --git a/pkg/coach-client/us.go b/pkg/coach-client/us.go
index 0a3c860..2fdc2dc 100644
--- a/pkg/coach-client/us.go
+++ b/pkg/coach-client/us.go
@@ -115,7 +115,8 @@ func tryRequest(ctx context.Context, base, urlPath string, respData any, proxyGe
 }
 
 func callByProxy(ctx context.Context, p proxy2.Proxy, base, urlPath string, result any) (*resty.Response, error) {
-	addr, err := proxy.UrlToMetadata(urlPath)
+	full, _ := url.JoinPath(base, urlPath)
+	addr, err := proxy.UrlToMetadata(full)
 	if err != nil {
 		return nil, err
 	}