diff --git a/plugins/modules/gcp_container_cluster.py b/plugins/modules/gcp_container_cluster.py
index 593a905..5d600c8 100644
--- a/plugins/modules/gcp_container_cluster.py
+++ b/plugins/modules/gcp_container_cluster.py
@@ -1291,7 +1291,7 @@ class Kubectl(object):
 
     def _contents(self):
         token = self._auth_token()
-        endpoint = "https://{}".format(self.fetch["endpoint"])
+        endpoint = "https://%s" % self.fetch["endpoint"]
         context = self.module.params.get('kubectl_context')
         if not context:
             context = self.module.params['name']