1 files changed, 2 insertions, 2 deletions
diff --git a/apps/user_ldap/lib_ldap.php b/apps/user_ldap/lib_ldap.php
index 22d464b65a2..befdf267bcd 100644
--- a/apps/user_ldap/lib_ldap.php
+++ b/apps/user_ldap/lib_ldap.php
@@ -576,7 +576,7 @@ class OC_LDAP {
 	static private function combineFilter($filters, $operator) {
 		$combinedFilter = '('.$operator;
 		foreach($filters as $filter) {
-		    if(substr($filter,0,1) != '(') {
+		    if($filter[0] != '(') {
 				$filter = '('.$filter.')';
 		    }
 		    $combinedFilter.=$filter;
@@ -692,4 +692,4 @@ class OC_LDAP {
 		return false;
 	}
 
- }
-\ No newline at end of file
+ }