diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 64f9bdcb1..a910d32e5 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.18.4",
+  "version": "4.18.5",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",
diff --git a/packages/ui-default/templates/partials/problem_sidebar_contest.html b/packages/ui-default/templates/partials/problem_sidebar_contest.html
index 360b7b48a..c175a87a4 100644
--- a/packages/ui-default/templates/partials/problem_sidebar_contest.html
+++ b/packages/ui-default/templates/partials/problem_sidebar_contest.html
@@ -24,7 +24,8 @@
         <span class="icon icon-send"></span> {{ _('Submit') }}
       </a></li>
     {% elif model.contest.isDone(tdoc) %}
-      <li class="menu__item scratchpad--hide"><a class="menu__link" href="{{ url('problem_detail', pid=pdoc.docId) }}">
+      {% set _docId = pdoc.docId.toString() %}
+      <li class="menu__item scratchpad--hide"><a class="menu__link" href="{{ url('problem_detail', pid=_docId.split(':')[1], domainId=_docId.split(':')[0]) if _docId.includes(':') else url('problem_detail', pid=pdoc.docId) }}">
         <span class="icon icon-send"></span> {{ _('Open in Problem Set') }}
       </a></li>
     {% endif %}
diff --git a/packages/ui-default/templates/partials/problem_sidebar_homework.html b/packages/ui-default/templates/partials/problem_sidebar_homework.html
index 390d699ec..1e9f257fc 100644
--- a/packages/ui-default/templates/partials/problem_sidebar_homework.html
+++ b/packages/ui-default/templates/partials/problem_sidebar_homework.html
@@ -24,7 +24,8 @@
         <span class="icon icon-send"></span> {{ _('Submit') }}
       </a></li>
     {% elif model.contest.isDone(tdoc) %}
-      <li class="menu__item scratchpad--hide"><a class="menu__link" href="{{ url('problem_detail', pid=pdoc.docId) }}">
+      {% set _docId = pdoc.docId.toString() %}
+      <li class="menu__item scratchpad--hide"><a class="menu__link" href="{{ url('problem_detail', pid=_docId.split(':')[1], domainId=_docId.split(':')[0]) if _docId.includes(':') else url('problem_detail', pid=pdoc.docId) }}">
         <span class="icon icon-send"></span> {{ _('Open in Problem Set') }}
       </a></li>
     {% endif %}