1 files changed, 1 insertions, 1 deletions
diff --git a/Core/Authentication/Provider/LdapBindAuthenticationProvider.php b/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
index fab7d80..adc42ef 100644
--- a/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
+++ b/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
@@ -74,7 +74,7 @@ class LdapBindAuthenticationProvider extends UserAuthenticationProvider
         $password = $token->getCredentials();
 
         try {
-            $username = $this->ldap->escape($username, '', LdapClientInterface::LDAP_ESCAPE_DN);
+            $username = $this->ldap->escape($username, '', LDAP_ESCAPE_DN);
             $dn = str_replace('{username}', $username, $this->dnString);
 
             $this->ldap->bind($dn, $password);