diff --git a/setup/lang.php b/setup/lang.php
index 67f2421afd..d85f741887 100644
--- a/setup/lang.php
+++ b/setup/lang.php
@@ -27,7 +27,7 @@
echo "
phpGroupWare Setup\n";
echo "\n";
- include($phpgw_info["server"]["include_root"]."/phpgwapi/phpgw_common.inc.php");
+ include($phpgw_info["server"]["api_inc"]."/phpgw_common.inc.php");
$common = new common;
$sep = $common->filesystem_separator();
} else {