diff --git a/service/bext-mount.service b/service/bext-mount.service
index ae5baca..9a2a43f 100644
--- a/service/bext-mount.service
+++ b/service/bext-mount.service
@@ -8,7 +8,9 @@ After=mkdir-rootfs@nix.service
 Wants=mkdir-rootfs@nix.service
 [Service]
 Type=oneshot
-ExecStartPre=mkdir -p /nix/store && bext mount extensions --refresh
+ExecStartPre=mkdir -p /tmp/extensions.d/bin
+ExecStartPre=mkdir -p /nix/store
+ExecStartPre=bext mount extensions --refresh
 ExecStart=bext mount store --refresh
 ExecStopPost=bext mount path
 [Install]