diff --git a/src/main/java/org/jenkinsci/plugins/docker/commons/credentials/DockerRegistryToken.java b/src/main/java/org/jenkinsci/plugins/docker/commons/credentials/DockerRegistryToken.java
index b16187ee..1da51856 100644
--- a/src/main/java/org/jenkinsci/plugins/docker/commons/credentials/DockerRegistryToken.java
+++ b/src/main/java/org/jenkinsci/plugins/docker/commons/credentials/DockerRegistryToken.java
@@ -106,7 +106,7 @@ public Void call() throws IOException {
                             auths = json = new JSONObject();
                         }
                     }
-                    auths.put(endpoint.toString(), new JSONObject()
+                    auths.put(endpoint.getHost(), new JSONObject()
                             .accumulate("auth", getToken())
                             .accumulate("email", getEmail()));