diff --git a/src/lxc/lxc_process.c b/src/lxc/lxc_process.c
index e611634e087cdbd0c1d48d2ae066e05620d64b3d..ae0b733afd8162fbf572b806b0b6476e4e13b4b5 100644
--- a/src/lxc/lxc_process.c
+++ b/src/lxc/lxc_process.c
@@ -1184,6 +1184,10 @@ cleanup:
         VIR_FREE(veths[i]);
     }
     if (rc != 0) {
+        if (vm->newDef) {
+            virDomainDefFree(vm->newDef);
+            vm->newDef = NULL;
+        }
         if (priv->monitor) {
             virObjectUnref(priv->monitor);
             priv->monitor = NULL;