diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 9980b38..b9e3f4d 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -697,9 +697,10 @@ libxlVmReap(libxlDriverPrivatePtr driver,
  * Handle previously registered event notification from libxenlight
  */
 static void
-libxlEventHandler(void *data ATTRIBUTE_UNUSED, const libxl_event *event)
+libxlEventHandler(void *data, const libxl_event *event)
 {
     libxlDriverPrivatePtr driver = libxl_driver;
+    libxlDomainObjPrivatePtr priv = ((virDomainObjPtr)data)->privateData;
     virDomainObjPtr vm = NULL;
     virDomainEventPtr dom_event = NULL;
     libxl_shutdown_reason xl_reason = event->u.domain_shutdown.shutdown_reason;
@@ -756,6 +757,7 @@ cleanup:
         libxlDomainEventQueue(driver, dom_event);
         libxlDriverUnlock(driver);
     }
+    libxl_event_free(priv->ctx, (libxl_event *)event);
 }
 
 static const struct libxl_event_hooks ev_hooks = {