--- a/libgnome-desktop/gnome-desktop-thumbnail-script.c
+++ b/libgnome-desktop/gnome-desktop-thumbnail-script.c
@@ -504,14 +504,10 @@
   g_return_val_if_fail (script->s_infile != NULL, FALSE);
 
   add_args (array,
-	    "bwrap",
-	    "--ro-bind", "/usr", "/usr",
-	    "--ro-bind", "/lib", "/lib",
-	    "--ro-bind", "/lib64", "/lib64",
+	    "@bubblewrap_bin@",
+      "--ro-bind", "/nix/store", "/nix/store",
 	    "--proc", "/proc",
 	    "--dev", "/dev",
-	    "--symlink", "usr/bin", "/bin",
-	    "--symlink", "usr/sbin", "/sbin",
 	    "--chdir", "/",
 	    "--setenv", "GIO_USE_VFS", "local",
 	    "--unshare-all",