diff --git a/src/interface/interface_backend_udev.c b/src/interface/interface_backend_udev.c
index d2590434bdde7b1c2d68516dd92f22477985113f..92c35d9202f7119c9abd1327e03a1d2c706a94a0 100644
--- a/src/interface/interface_backend_udev.c
+++ b/src/interface/interface_backend_udev.c
@@ -290,7 +290,7 @@ udevIfaceListAllInterfaces(virConnectPtr conn,
     struct udev_enumerate *enumerate = NULL;
     struct udev_list_entry *devices;
     struct udev_list_entry *dev_entry;
-    virInterfacePtr *ifaces_list;
+    virInterfacePtr *ifaces_list = NULL;
     virInterfacePtr iface_obj;
     int tmp_count;
     int count = 0;