1 files changed, 2 insertions, 2 deletions
diff --git a/app/assets/javascripts/vue_shared/alert_details/components/sidebar/sidebar_todo.vue b/app/assets/javascripts/vue_shared/alert_details/components/sidebar/sidebar_todo.vue
index f2c27cf611e..0577279cdd0 100644
--- a/app/assets/javascripts/vue_shared/alert_details/components/sidebar/sidebar_todo.vue
+++ b/app/assets/javascripts/vue_shared/alert_details/components/sidebar/sidebar_todo.vue
@@ -53,11 +53,11 @@ export default {
   },
   methods: {
     updateToDoCount(add) {
-      const oldCount = parseInt(document.querySelector('.js-todos-count').innerText, 10);
+      const oldCount = parseInt(document.querySelector('.js-todos-count').innerText, 10) || 0;
       const count = add ? oldCount + 1 : oldCount - 1;
       const headerTodoEvent = new CustomEvent('todo:toggle', {
         detail: {
-          count,
+          count: Math.max(count, 0),
         },
       });