diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
index feb8fad73e..125e1c8068 100644
--- a/src/lxc/lxc_container.c
+++ b/src/lxc/lxc_container.c
@@ -2463,6 +2463,7 @@ int lxcContainerStart(virDomainDefPtr def,
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                            _("Config askes for inherit net namespace "
                              "as well as private network interfaces"));
+            VIR_FREE(stack);
             return -1;
         }
         VIR_DEBUG("Inheriting a net namespace");