diff --git a/src/NetworkManagerUtils.h b/src/NetworkManagerUtils.h
index 2d29b5bb9..fddeb57d8 100644
--- a/src/NetworkManagerUtils.h
+++ b/src/NetworkManagerUtils.h
@@ -275,7 +275,7 @@ struct _NMUtilsIPv6IfaceId {
 	};
 };
 
-#define NM_UTILS_IPV6_IFACE_ID_INIT { .id = 0 }
+#define NM_UTILS_IPV6_IFACE_ID_INIT { { .id = 0 } }
 
 gboolean nm_utils_get_ipv6_interface_identifier (NMLinkType link_type,
                                                  const guint8 *hwaddr,