diff --git a/src/qemu/qemu_migration_cookie.c b/src/qemu/qemu_migration_cookie.c
index 945530c40951ef05410aa642553a17faeb69a26b..5a1e299ca2db376556927f4e407b5cc437fd037d 100644
--- a/src/qemu/qemu_migration_cookie.c
+++ b/src/qemu/qemu_migration_cookie.c
@@ -900,6 +900,7 @@ qemuMigrationCookieNetworkXMLParse(xmlXPathContextPtr ctxt)
             goto error;
         }
         optr->net[i].vporttype = virNetDevVPortTypeFromString(vporttype);
+        VIR_FREE(vporttype);
     }
 
     VIR_FREE(interfaces);