diff --git a/parser.inc.php b/parser.inc.php
index 102077b..6ab6f09 100644
--- a/parser.inc.php
+++ b/parser.inc.php
@@ -54,7 +54,7 @@ class mtgMetaParsedModule implements mtgScope
   }
 }
 
-function mtg_parse_meta(array $meta_srcs, $valid_tokens = null, $inc_path = null, $version = null)
+function mtg_parse_meta(array $meta_srcs, $valid_tokens = null, $inc_path = null, $version = null, string $extension = '.meta')
 {
   if($inc_path === null)
   {
@@ -91,7 +91,7 @@ function mtg_parse_meta(array $meta_srcs, $valid_tokens = null, $inc_path = null
   $meta = new mtgMetaInfo();
 
   foreach($meta_srcs as $src)
-    mtg_load_meta($meta, $meta_parser, $src);
+    mtg_load_meta($meta, $meta_parser, $src, $extension);
 
   $meta->validate();