diff --git a/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/hooks/NativeServerPullRequestHookProcessor.java b/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/hooks/NativeServerPullRequestHookProcessor.java
index 609676e68..da840f98a 100644
--- a/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/hooks/NativeServerPullRequestHookProcessor.java
+++ b/src/main/java/com/cloudbees/jenkins/plugins/bitbucket/hooks/NativeServerPullRequestHookProcessor.java
@@ -87,7 +87,7 @@ public void process(HookEventType hookEvent, String payload, BitbucketType insta
                 eventType = SCMEvent.Type.UPDATED;
                 break;
             default:
-                LOGGER.log(Level.INFO, "Unknown hook event {0} received from Bitbucket Server", hookEvent);
+                LOGGER.log(Level.INFO, "Unknown hook event {0} received from Bitbucket Server", hookEvent.getKey());
                 return;
         }