diff --git a/includes/controller/user_worklog_controller.php b/includes/controller/user_worklog_controller.php
index 6b100338..5bb07f33 100644
--- a/includes/controller/user_worklog_controller.php
+++ b/includes/controller/user_worklog_controller.php
@@ -93,6 +93,11 @@ function user_worklog_from_request($userWorkLog)
         error(__('Please enter a comment.'));
     }
 
+    if (mb_strlen($userWorkLog['comment']) > 200) {
+        $valid = false;
+        error(__('Comment too long.'));
+    }
+
     return [
         $valid,
         $userWorkLog
diff --git a/includes/view/UserWorkLog_view.php b/includes/view/UserWorkLog_view.php
index 0d5e7797..879979ba 100644
--- a/includes/view/UserWorkLog_view.php
+++ b/includes/view/UserWorkLog_view.php
@@ -45,7 +45,7 @@ function UserWorkLog_edit_form($user_source, $userWorkLog)
         form_info(__('User'), User_Nick_render($user_source)),
         form_date('work_timestamp', __('Work date'), $userWorkLog['work_timestamp'], null, time()),
         form_text('work_hours', __('Work hours'), $userWorkLog['work_hours']),
-        form_text('comment', __('Comment'), $userWorkLog['comment']),
+        form_text('comment', __('Comment'), $userWorkLog['comment'], false, 200),
         form_submit('submit', __('Save'))
     ]);
 }