Index: browscap.module
===================================================================
--- browscap.module	(revision 150)
+++ browscap.module	(working copy)
@@ -325,7 +325,7 @@
       $last_parent = array();
       while ($vals['Parent'] && $vals['Parent'] !== $last_parent) {
         $vals = $a[$vals['Parent']];
-        $e = array_merge($vals, $e);
+        $e = array_merge((array)$vals, (array)$e);
         $last_parent = $vals;
       }
       $useragent = strtr($key, '*?', '%_');