diff --git a/fedora-workstation-base.json b/fedora-workstation-base.json
index a4ffe62..3b0f32b 100644
--- a/fedora-workstation-base.json
+++ b/fedora-workstation-base.json
@@ -6,6 +6,7 @@
     "documentation": true,
     "boot_location": "new",
     "etc-group-members": ["wheel"],
+    "tmp-is-dir": true,
 
     "postprocess-script": "post.sh",