1 files changed, 12 insertions, 0 deletions
diff --git a/app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/store/mutations.js b/app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/store/mutations.js
index 131c6e6fb57..1c03d95f37b 100644
--- a/app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/store/mutations.js
+++ b/app/assets/javascripts/vue_shared/components/sidebar/labels_select_widget/store/mutations.js
@@ -1,3 +1,4 @@
+import { isScopedLabel, scopedLabelKey } from '~/lib/utils/common_utils';
 import { DropdownVariant } from '../constants';
 import * as types from './mutation_types';
 
@@ -55,5 +56,16 @@ export default {
       candidateLabel.touched = true;
       candidateLabel.set = !candidateLabel.set;
     }
+
+    if (isScopedLabel(candidateLabel)) {
+      const scopedBase = scopedLabelKey(candidateLabel);
+      const currentActiveScopedLabel = state.labels.find(
+        ({ title }) => title.indexOf(scopedBase) === 0 && title !== candidateLabel.title,
+      );
+
+      if (currentActiveScopedLabel) {
+        currentActiveScopedLabel.set = false;
+      }
+    }
   },
 };