diff --git a/scripts/freezefs_mount_builtin.sh b/scripts/freezefs_mount_builtin.sh
index 331c4c39..10253d77 100755
--- a/scripts/freezefs_mount_builtin.sh
+++ b/scripts/freezefs_mount_builtin.sh
@@ -1,4 +1,4 @@
-builtindir=$(readlink -f "MicroPythonOS/internal_filesystem/builtin")
+builtindir=$(readlink -f "internal_filesystem/builtin")
 
 pushd ../freezeFS/
 python3 -m freezefs --target /builtin --on-import mount "$builtindir" freezefs_mount_builtin.py