diff --git a/config/remote_rpm/kubernetes.yaml b/config/remote_rpm/kubernetes.yaml
index f480821..b898f15 100644
--- a/config/remote_rpm/kubernetes.yaml
+++ b/config/remote_rpm/kubernetes.yaml
@@ -1,4 +1,4 @@
-base_url: https://pkgs.k8s.io/core:/stable:
+base_url: "https://pkgs.k8s.io/core:/stable:"
 description: Kubernetes upstream RPMs (kubectl/kubeadm/kubelet); version-agnostic, consumers pick the minor via path (e.g. v1.33/rpm)
 immutable_ttl: 0
 mutable_ttl: 7200