diff --git a/src/conf/storage_conf.c b/src/conf/storage_conf.c
index 6e3fe0e197b6d3daed4e238da5cd5b9a44f1d2b4..13a36229fe57382b0ebd5c55281d6762452153de 100644
--- a/src/conf/storage_conf.c
+++ b/src/conf/storage_conf.c
@@ -396,7 +396,7 @@ virStoragePoolDefParseSource(xmlXPathContextPtr ctxt,
     char *authType = NULL;
     int nsource, i;
     virStoragePoolOptionsPtr options;
-    char *port;
+    char *port = NULL;
 
     relnode = ctxt->node;
     ctxt->node = node;