diff --git a/packages/frontend/src/components/dialogs/BranchNewDialog.vue b/packages/frontend/src/components/dialogs/BranchNewDialog.vue
index 5960c5dee..27a6b48b1 100644
--- a/packages/frontend/src/components/dialogs/BranchNewDialog.vue
+++ b/packages/frontend/src/components/dialogs/BranchNewDialog.vue
@@ -44,6 +44,9 @@ export default {
       name: null,
       nameRules: [
         (v) => !!v || 'Branches need a name too!',
+        (v) =>
+          (v && !v.startsWith('globals')) ||
+          'Globals is a reserved branch name. Please choose a different name.',
         (v) =>
           (v && this.branchNames.findIndex((e) => e === v) === -1) ||
           'A branch with this name already exists',