diff --git a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_LDAP.pm b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_LDAP.pm
index d3f7a4c9d..72480db70 100644
--- a/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_LDAP.pm
+++ b/modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/_LDAP.pm
@@ -13,7 +13,7 @@ use Encode;
 use strict;
 
 our @EXPORT   = qw(ldap);
-our $VERSION  = '1.1.0';
+our $VERSION  = '1.1.1';
 our $ppLoaded = 0;
 
 BEGIN {
@@ -425,6 +425,10 @@ sub searchGroups {
     }
     $searchFilter .= "))";
 
+    # Escape some special chars in DN
+    # Special char: /
+    $searchFilter =~ s/\\/\\\\/;
+
     $portal->lmLog( "Group search filter: $searchFilter", 'debug' );
 
     # Search