diff --git a/src/conf/object_event_private.h b/src/conf/object_event_private.h
index b31441c53a1d82d8ce2f6c1c10f55a6b15c9fbe7..126464a9a55343374b46c05a53c40c37e7cc026d 100644
--- a/src/conf/object_event_private.h
+++ b/src/conf/object_event_private.h
@@ -42,7 +42,7 @@ typedef void
                               virConnectObjectEventGenericCallback cb,
                               void *cbopaque);
 
-struct _virObjectEvent {
+struct  __attribute__((aligned(4))) _virObjectEvent {
     virObject parent;
     int eventID;
     virObjectMeta meta;