diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4c240aca..4f47c2e8f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 - Fix a bug: invalid ventilation for amount coupons
 - Fix a bug: invalid VAT for invoices using amount coupons
 - Fix a bug: invalid 1 cent rounding for invoices using coupons
+- Fix a bug: plans list error when there was no plan for the user's group
 - Fix a security issue: updated nokogiri to 1.13.9 to fix [GHSA-2qc6-mcvw-92cw](https://github.com/advisories/GHSA-2qc6-mcvw-92cw)
 - [TODO DEPLOY] `rails fablab:maintenance:regenerate_statistics[2021,6]`
 - [TODO DEPLOY] `rails fablab:setup:set_admins_group`
diff --git a/app/frontend/src/javascript/components/plans/plans-list.tsx b/app/frontend/src/javascript/components/plans/plans-list.tsx
index 9354da44b..40e7374aa 100644
--- a/app/frontend/src/javascript/components/plans/plans-list.tsx
+++ b/app/frontend/src/javascript/components/plans/plans-list.tsx
@@ -235,7 +235,7 @@ export const PlansList: React.FC<PlansListProps> = ({ onError, onPlanSelection,
       {plans && Array.from(filteredPlans()).map(([groupId, plansByGroup]) => {
         return (
           <div key={groupId} className="plans-per-group">
-            {plansByGroup.size > 0 && <h2 className="group-title">{ groupName(groupId) }</h2>}
+            {plansByGroup?.size > 0 && <h2 className="group-title">{ groupName(groupId) }</h2>}
             {plansByGroup && renderPlansByCategory(plansByGroup)}
           </div>
         );