diff --git a/src/conf/network_conf.c b/src/conf/network_conf.c
index 6714c209a764c78bc482d99311c8efe72f34b7c2..b11c4820aaff9613751c87af42f546e02a1cb31f 100644
--- a/src/conf/network_conf.c
+++ b/src/conf/network_conf.c
@@ -169,6 +169,8 @@ void virNetworkDefFree(virNetworkDefPtr def)
 
     virNetworkDNSDefFree(def->dns);
 
+    VIR_FREE(def->virtPortProfile);
+
     virBandwidthDefFree(def->bandwidth);
 
     VIR_FREE(def);