diff --git a/lib/private/User/Manager.php b/lib/private/User/Manager.php
index 5c899b7892f21..ea4ef8b48bd81 100644
--- a/lib/private/User/Manager.php
+++ b/lib/private/User/Manager.php
@@ -330,6 +330,7 @@ function (IUser $user) use ($search): bool {
 			}
 		}
 
+		$limit = $limit === 0 ? null : $limit;
 		return array_slice($users, $offset, $limit);
 	}