diff --git a/bhl_macro.inc.php b/bhl_macro.inc.php
index c87dcf4..c38887a 100644
--- a/bhl_macro.inc.php
+++ b/bhl_macro.inc.php
@@ -15,6 +15,7 @@ function macro_BHL_REF($proc, $module, $func, $signature_json = '')
       if($rel_module != $abs_module)
       {
         $mapped = true;
+        $rel_module = str_replace('\\', '/', $rel_module);
         $module = "/" . $rel_module;
         break;
       }