diff --git a/parser.inc.php b/parser.inc.php
index 417c832..102077b 100644
--- a/parser.inc.php
+++ b/parser.inc.php
@@ -100,18 +100,21 @@ function mtg_parse_meta(array $meta_srcs, $valid_tokens = null, $inc_path = null
   return $meta;
 }
 
-function mtg_load_meta(mtgMetaInfo $meta, mtgIMetaInfoParser $meta_parser, string $dir_or_file)
+function mtg_load_meta(
+  mtgMetaInfo $meta, mtgIMetaInfoParser $meta_parser, 
+  string $dir_or_file, string $extension = '.meta'
+)
 {
-  $files = mtg_resolve_files($dir_or_file);
+  $files = mtg_resolve_files($dir_or_file, $extension);
   foreach($files as $file)
     $meta_parser->parse($meta, $file);
 }
 
-function mtg_resolve_files(string $dir_or_file) : array
+function mtg_resolve_files(string $dir_or_file, string $extension = '.meta') : array
 {
   $files = array();
   if(is_dir($dir_or_file))
-    $files = mtg_find_meta_files($dir_or_file);
+    $files = mtg_find_meta_files($dir_or_file, $extension);
   else if(is_file($dir_or_file))
     $files[] = $dir_or_file;
   else
@@ -119,7 +122,7 @@ function mtg_resolve_files(string $dir_or_file) : array
   return $files;
 }
 
-function mtg_find_meta_files($dir)
+function mtg_find_meta_files($dir, $extension = '.meta')
 {
   $items = scandir($dir);
   if($items === false)
@@ -131,7 +134,7 @@ function mtg_find_meta_files($dir)
     if($item[0] == '.')
       continue;
 
-    if(strpos($item, ".meta") !== (strlen($item)-5))
+    if(strpos($item, $extension) !== (strlen($item)-strlen($extension)))
       continue;
 
     $file = $dir . '/' . $item;