diff --git a/apps/user_ldap/lib/User_Proxy.php b/apps/user_ldap/lib/User_Proxy.php
index 0dd62ccce8f..96cd7b47637 100644
--- a/apps/user_ldap/lib/User_Proxy.php
+++ b/apps/user_ldap/lib/User_Proxy.php
@@ -471,7 +471,8 @@ class User_Proxy extends Proxy implements IUserBackend, UserInterface, IUserLDAP
 				fn (OfflineUser $user): bool =>
 					mb_stripos($user->getOCName(), $search) !== false ||
 					mb_stripos($user->getUID(), $search) !== false ||
-					mb_stripos($user->getDisplayName(), $search) !== false,
+					mb_stripos($user->getDisplayName(), $search) !== false ||
+					mb_stripos($user->getEmail(), $search) !== false,
 			);
 		}
 		return array_map(
diff --git a/lib/private/User/Manager.php b/lib/private/User/Manager.php
index a316708ddef..96c77b22f76 100644
--- a/lib/private/User/Manager.php
+++ b/lib/private/User/Manager.php
@@ -355,7 +355,8 @@ class Manager extends PublicEmitter implements IUserManager {
 				$users,
 				fn (IUser $user): bool =>
 					mb_stripos($user->getUID(), $search) !== false ||
-					mb_stripos($user->getDisplayName(), $search) !== false,
+					mb_stripos($user->getDisplayName(), $search) !== false ||
+					mb_stripos($user->getEMailAddress() ?? '', $search) !== false,
 			);
 		}