diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index ba55791a0454731bab4d9b4d45a38df61096f77e..1bc72a4e90214f6aa10aa98e8deebc8235b3d85f 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -13317,7 +13317,7 @@ virDomainRedirdevDefParseXML(virDomainXMLOptionPtr xmlopt,
 {
     xmlNodePtr cur;
     virDomainRedirdevDefPtr def;
-    char *bus, *type = NULL;
+    char *bus = NULL, *type = NULL;
     int remaining;
 
     if (VIR_ALLOC(def) < 0)