diff --git a/modules/ldap/lib/ConfigHelper.php b/modules/ldap/lib/ConfigHelper.php
index 59e43f4557381aa217337b709c3b437927c8a1ec..daf6b3de22cfa915d62c3fab29ed6de6cb926890 100644
--- a/modules/ldap/lib/ConfigHelper.php
+++ b/modules/ldap/lib/ConfigHelper.php
@@ -99,7 +99,7 @@ class sspmod_ldap_ConfigHelper {
 				$this->searchPassword = $config->getString('search.password');
 			}
 
-			$this->searchBase = $config->getString('search.base');
+			$this->searchBase = $config->getArrayizeString('search.base');
 			$this->searchAttributes = $config->getArray('search.attributes');
 
 		} else {