diff --git a/webhook/client_handler_test.go b/webhook/client_handler_test.go
index 099f968999..5438b16509 100644
--- a/webhook/client_handler_test.go
+++ b/webhook/client_handler_test.go
@@ -28,7 +28,7 @@ func Example() {
 		}
 
 		defer req.Body.Close()
-		fmt.Fprintf(w, "Received signed event: %t", event)
+		fmt.Fprintf(w, "Received signed event: %v", event)
 	})
 	log.Fatal(http.ListenAndServe(":8080", nil))
 }