diff --git a/metagen.inc.php b/metagen.inc.php
index e50acb4..76970a3 100644
--- a/metagen.inc.php
+++ b/metagen.inc.php
@@ -108,17 +108,14 @@ class mtgMetaInfoUnit
   public string $file;
   public mtgMetaUnit $object;
 
-  /**
-   * @param string|mtgMetaParsedModule $file_or_module
-   */
-  function __construct($file_or_module, mtgMetaUnit $obj)
+  function __construct(mtgMetaParsedModule|string $file_or_module, mtgMetaUnit $obj)
   {
     if($file_or_module instanceof mtgMetaParsedModule)
     {
       $this->module = $file_or_module;
       $this->file = $file_or_module->file;
     }
-    else if(is_string($file_or_module))
+    else
     {
       $this->module = null;
       $this->file = $file_or_module;
diff --git a/tests/run.php b/tests/run.php
index d18d98b..33bed3d 100755
--- a/tests/run.php
+++ b/tests/run.php
@@ -90,6 +90,6 @@ assert($u->object->getFields()["id"]->getType() == "EnumStock");
 $u = $meta->findUnit("GameService");
 assert($u->object instanceof mtgMetaService);
 
-assert($u->object->getRPC("PING") instanceof mtgMetaRPC);
+assert($u->object->getRPC("PING")->getName() == "PING");
 assert($u->object->findSymbol("DataPing") instanceof mtgMetaStruct);
 assert($u->object->findSymbol("ErrorCode") instanceof mtgMetaEnum);