diff --git a/src/main/java/org/kohsuke/github/GHRepository.java b/src/main/java/org/kohsuke/github/GHRepository.java
index b024814625..fbd64709a6 100644
--- a/src/main/java/org/kohsuke/github/GHRepository.java
+++ b/src/main/java/org/kohsuke/github/GHRepository.java
@@ -475,7 +475,7 @@ private void modifyCollaborators(Collection<GHUser> users, String method) throws
     public void setEmailServiceHook(String address) throws IOException {
         Map<String, String> config = new HashMap<String, String>();
         config.put("address", address);
-        new Requester(root).method("POST").with("name", "email").with("config", config).with("active", "true")
+        new Requester(root).method("POST").with("name", "email").with("config", config).with("active", true)
                 .to(getApiTailUrl("hooks"));
     }