diff --git a/setup/config.php b/setup/config.php
index 76f4500b3b..19417b73b8 100644
--- a/setup/config.php
+++ b/setup/config.php
@@ -34,8 +34,10 @@ $setup_tpl->set_file(array(
 ));
 
 /* Following to ensure windows file paths are saved correctly */
-set_magic_quotes_runtime(0);
-
+if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime())
+{
+	set_magic_quotes_runtime(0);
+}
 $GLOBALS['egw_setup']->loaddb();
 
 /* Check api version, use correct table */