diff --git a/tests/functional/local-overlay-store/common.sh b/tests/functional/local-overlay-store/common.sh
index 13d921c5e..1c70f947f 100644
--- a/tests/functional/local-overlay-store/common.sh
+++ b/tests/functional/local-overlay-store/common.sh
@@ -1,5 +1,7 @@
 source ../common.sh
 
+export LIBMOUNT_FORCE_MOUNT2=always
+
 requireEnvironment () {
   requireSandboxSupport
   [[ $busybox =~ busybox ]] || skipTest "no busybox"