diff --git a/src/apps/epic/tests/integrated/test_views.py b/src/apps/epic/tests/integrated/test_views.py
index 439e781..e52e3e0 100644
--- a/src/apps/epic/tests/integrated/test_views.py
+++ b/src/apps/epic/tests/integrated/test_views.py
@@ -761,14 +761,14 @@ class RoomViewAllRolesFilledTest(TestCase):
     def test_pick_sigs_btn_present_when_all_roles_filled(self):
         response = self.client.get(reverse("epic:room", kwargs={"room_id": self.room.id}))
         parsed = self.lxml.fromstring(response.content)
-        [_] = parsed.cssselect(".pick-sigs-btn")
+        [_] = parsed.cssselect("#id_pick_sigs_btn")
 
     def test_pick_sigs_btn_absent_during_role_select(self):
         # Clear one role — still mid-pick, button must not appear
         TableSeat.objects.filter(room=self.room, slot_number=6).update(role=None)
         response = self.client.get(reverse("epic:room", kwargs={"room_id": self.room.id}))
         parsed = self.lxml.fromstring(response.content)
-        self.assertEqual(len(parsed.cssselect(".pick-sigs-btn")), 0)
+        self.assertEqual(len(parsed.cssselect("#id_pick_sigs_btn")), 0)
 
 
 class PickSigsViewTest(TestCase):
diff --git a/src/templates/apps/gameboard/room.html b/src/templates/apps/gameboard/room.html
index 68c2bb6..4adbe5d 100644
--- a/src/templates/apps/gameboard/room.html
+++ b/src/templates/apps/gameboard/room.html
@@ -13,7 +13,7 @@
                 <div id="id_pick_sigs_wrap"{% if starter_roles|length < 6 %} style="display:none"{% endif %}>
                     <form method="POST" action="{% url 'epic:pick_sigs' room.id %}">
                         {% csrf_token %}
-                        <button type="submit" class="btn btn-primary btn-xl">PICK<br>SIGS</button>
+                        <button id="id_pick_sigs_btn" type="submit" class="btn btn-primary btn-xl">PICK<br>SIGS</button>
                     </form>
                 </div>
                 {% endif %}