diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index b34b742bfaa286b4427fb2a4a5101dc3d2c7a52c..b0ada0132a48f5efdda42ea2c2f260e97f523811 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -252,6 +252,7 @@ virXMLNamespace networkDnsmasqXMLNamespace = {
     .parse = networkDnsmasqDefNamespaceParse,
     .free = networkDnsmasqDefNamespaceFree,
     .format = networkDnsmasqDefNamespaceFormatXML,
+    .prefix = "dnsmasq",
     .href = networkDnsmasqDefNamespaceHref,
 };