diff --git a/file_path_special.h b/file_path_special.h
index 52e0b20ce8..b959462bc9 100644
--- a/file_path_special.h
+++ b/file_path_special.h
@@ -50,6 +50,7 @@ enum file_path_enum
    FILE_PATH_INDEX_EXTENDED_URL,
    FILE_PATH_SRM_EXTENSION,
    FILE_PATH_UPS_EXTENSION,
+   FILE_PATH_OPT_EXTENSION,
    FILE_PATH_IPS_EXTENSION,
    FILE_PATH_BPS_EXTENSION,
    FILE_PATH_STATE_EXTENSION,
diff --git a/file_path_str.c b/file_path_str.c
index e00cce4189..a1a16005e0 100644
--- a/file_path_str.c
+++ b/file_path_str.c
@@ -33,6 +33,8 @@ const char *file_path_str(enum file_path_enum enum_idx)
          return "[ERROR]";
       case FILE_PATH_LOG_INFO:
          return "[INFO]";
+      case FILE_PATH_OPT_EXTENSION:
+         return ".opt";
       case FILE_PATH_CORE_INFO_EXTENSION:
          return ".info";
       case FILE_PATH_CONFIG_EXTENSION:
diff --git a/retroarch.c b/retroarch.c
index 4aa9aaa597..da8b473ef0 100644
--- a/retroarch.c
+++ b/retroarch.c
@@ -1222,7 +1222,8 @@ bool retroarch_validate_game_options(char *s, size_t len, bool mkdir)
    fill_pathname_join(s,
          config_directory, core_name, len);
    fill_string_join(s, game_name, len);
-   strlcat(s, ".opt", len);
+   strlcat(s,
+         file_path_str(FILE_PATH_OPT_EXTENSION), len);
 
    fill_pathname_join(core_path,
          config_directory, core_name, sizeof(core_path));