diff --git a/thirdparty/pear/DB.php b/thirdparty/pear/DB.php
index 1b93f0009..1f128b17a 100644
--- a/thirdparty/pear/DB.php
+++ b/thirdparty/pear/DB.php
@@ -610,7 +610,7 @@ class DB
             $parsed['dbsyntax'] = $str;
         }
 
-        if (!count($dsn)) {
+        if (!is_string($dsn)) {
             return $parsed;
         }