diff --git a/webapp/pages/post/_id.vue b/webapp/pages/post/_id.vue
index 21dd4b292..d9e8beb01 100644
--- a/webapp/pages/post/_id.vue
+++ b/webapp/pages/post/_id.vue
@@ -10,7 +10,10 @@
         </transition>
       </ds-flex-item>
       <ds-flex-item :width="{ base: '200px' }">
-        <ds-menu :routes="routes" />
+        <ds-menu
+          :routes="routes"
+          class="post-side-navigation"
+        />
       </ds-flex-item>
     </ds-flex>
   </div>
@@ -79,3 +82,11 @@ export default {
   }
 }
 </script>
+
+<style lang="scss">
+.post-side-navigation {
+  position: sticky;
+  top: 65px;
+  z-index: 2;
+}
+</style>