diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
index 2f01958f815dbd792d3f24c235adf8d54f3b5153..e311f38938cf8a2950344396ad990daf9ac03fec 100644
--- a/src/lxc/lxc_controller.c
+++ b/src/lxc/lxc_controller.c
@@ -1353,6 +1353,7 @@ virLXCControllerSetupDevPTS(virLXCControllerPtr ctrl)
 cleanup:
     VIR_FREE(opts);
     VIR_FREE(devpts);
+    VIR_FREE(mount_options);
     return ret;
 }