diff --git a/retroarch/settings.nix b/retroarch/settings.nix
index 9aefb9c..a8a5453 100644
--- a/retroarch/settings.nix
+++ b/retroarch/settings.nix
@@ -122,7 +122,7 @@
   core_info_cache_enable = "false";
   core_info_savestate_bypass = "false";
   core_option_category_enable = "true";
-  core_options_path = builtins.toString ./retroarch-core-options.cfg;
+  core_options_path = "${./retroarch-core-options.cfg}";
   core_set_supports_no_game_enable = "true";
   core_updater_auto_backup = "true";
   core_updater_auto_backup_history_size = "1";