diff --git a/metagen.inc.php b/metagen.inc.php
index d389220..cdff5fc 100644
--- a/metagen.inc.php
+++ b/metagen.inc.php
@@ -5,7 +5,7 @@ interface mtgType
 
 class mtgTypeRef implements mtgType
 {
-  private static $all = array();
+  private static $unresolved = array();
 
   private $name;
   private $file;
@@ -26,19 +26,23 @@ class mtgTypeRef implements mtgType
       $this->name = $name_or_resolved;
       if(!$module)
         throw new Exception("Module is not set");
+
+      self::$unresolved[] = $this;
     }
 
     $this->module = $module;
     $this->file = $file;
     $this->line = $line;
 
-    self::$all[] = $this;
   }
 
   static function checkAllResolved()
   {
-    foreach(self::$all as $ref)
+    while(sizeof(self::$unresolved) > 0)
+    {
+      $ref = array_shift(self::$unresolved);
       $ref->resolve();
+    }
   }
 
   function resolve()