diff --git a/extras/signatures/mcapi_signatures.variable.inc b/extras/signatures/mcapi_signatures.variable.inc
index 31da599..905132f 100644
--- a/extras/signatures/mcapi_signatures.variable.inc
+++ b/extras/signatures/mcapi_signatures.variable.inc
@@ -1,4 +1,4 @@
-<?
+<?php
 
 /*
  * implements hook_variable
@@ -28,4 +28,4 @@ function mcapi_signatures_variable() {
       'type' => 'array',
     );
   }
-}
\ No newline at end of file
+}