diff --git a/src/directoryserver.js b/src/directoryserver.js
index 960a10a38..613a19df8 100644
--- a/src/directoryserver.js
+++ b/src/directoryserver.js
@@ -200,7 +200,7 @@ async function userSearch(req, res, next) {
                 givenName: firstName,
                 username: user.username,
                 samaccountname: user.username,      // to support ActiveDirectory clients
-                memberof: allGroups.filter(function (g) { return g.userIds.indexOf(user.id) !== -1; }).map(function (g) { return g.name; })
+                memberof: allGroups.filter(function (g) { return g.userIds.indexOf(user.id) !== -1; }).map(function (g) { return `cn=${g.name},ou=groups,dc=cloudron`; })
             }
         };
 
diff --git a/src/ldap.js b/src/ldap.js
index 2aee44f9c..279141b2d 100644
--- a/src/ldap.js
+++ b/src/ldap.js
@@ -178,7 +178,7 @@ async function userSearch(req, res, next) {
                 givenName: firstName,
                 username: user.username,
                 samaccountname: user.username,      // to support ActiveDirectory clients
-                memberof: allGroups.filter(function (g) { return g.userIds.indexOf(user.id) !== -1; }).map(function (g) { return g.name; })
+                memberof: allGroups.filter(function (g) { return g.userIds.indexOf(user.id) !== -1; }).map(function (g) { return `cn=${g.name},ou=groups,dc=cloudron`; })
             }
         };