--- a/samba/filepropertiesplugin/usermanager.cpp
+++ b/samba/filepropertiesplugin/usermanager.cpp
@@ -51,9 +51,12 @@ static QStringList getUsersList()
         }
         KUser user(username);
         const uid_t nativeId = user.userId().nativeId();
-        if (nativeId >= defminuid && nativeId <= defmaxuid) {
+        if (nativeId >= defminuid) {
             userList << username;
         }
+        if (userList.size() >= defmaxuid) {
+            break;
+        }
     }
 
     return userList;