diff --git a/tailbone/templates/luigi/index.mako b/tailbone/templates/luigi/index.mako
index bb8d1465..b5134c25 100644
--- a/tailbone/templates/luigi/index.mako
+++ b/tailbone/templates/luigi/index.mako
@@ -79,8 +79,13 @@
                       @click="overnightTaskLaunchInit(props.row)">
               Launch
             </b-button>
-            <b-modal has-modal-card
-                     :active.sync="overnightTaskShowLaunchDialog">
+            <${b}-modal has-modal-card
+                        % if request.use_oruga:
+                            v-model:active="overnightTaskShowLaunchDialog"
+                        % else:
+                            :active.sync="overnightTaskShowLaunchDialog"
+                        % endif
+                        >
               <div class="modal-card">
 
                 <header class="modal-card-head">
@@ -127,7 +132,7 @@
                   </b-button>
                 </footer>
               </div>
-            </b-modal>
+            </${b}-modal>
           </${b}-table-column>
           <template #empty>
             <p class="block">No tasks defined.</p>
@@ -182,8 +187,13 @@
           </template>
         </${b}-table>
 
-        <b-modal has-modal-card
-                 :active.sync="backfillTaskShowLaunchDialog">
+        <${b}-modal has-modal-card
+                    % if request.use_oruga:
+                        v-model:active="backfillTaskShowLaunchDialog"
+                    % else:
+                        :active.sync="backfillTaskShowLaunchDialog"
+                    % endif
+                    >
           <div class="modal-card">
 
             <header class="modal-card-head">
@@ -238,7 +248,7 @@
               </b-button>
             </footer>
           </div>
-        </b-modal>
+        </${b}-modal>
 
     % endif