diff --git a/app/assets/javascripts/feature_flags/store/helpers.js b/app/assets/javascripts/feature_flags/store/helpers.js
index 300709f2771403496fcf4ca2da4095c8920facd6..a7231f90be52ed41b77cd6427456a37da42f857d 100644
--- a/app/assets/javascripts/feature_flags/store/helpers.js
+++ b/app/assets/javascripts/feature_flags/store/helpers.js
@@ -52,7 +52,7 @@ const mapStrategyToRails = (strategy) => {
   };
 
   if (strategy.name === ROLLOUT_STRATEGY_GITLAB_USER_LIST) {
-    mappedStrategy.user_list_id = strategy.userList.id;
+    mappedStrategy.user_list_id = strategy.userList?.id;
   }
   return mappedStrategy;
 };
diff --git a/app/assets/javascripts/feature_flags/utils.js b/app/assets/javascripts/feature_flags/utils.js
index 47deeab05714cfdb3d9de6c7f304fb4f63b78c09..f2eff68c6388370f29bdd8f9175d23d0096d1dd6 100644
--- a/app/assets/javascripts/feature_flags/utils.js
+++ b/app/assets/javascripts/feature_flags/utils.js
@@ -41,7 +41,7 @@ const badgeTextByType = {
   },
   [ROLLOUT_STRATEGY_GITLAB_USER_LIST]: {
     name: s__('FeatureFlags|User List'),
-    parameters: ({ user_list: { name } }) => name,
+    parameters: (data) => data?.user_list?.name || '',
   },
 };
 
diff --git a/spec/frontend/feature_flags/components/feature_flags_table_spec.js b/spec/frontend/feature_flags/components/feature_flags_table_spec.js
index 7f01a510001fa22164789757c31130cd127ea55c..688b374f66af2ec8d519b80710b93d08b5b2bc85 100644
--- a/spec/frontend/feature_flags/components/feature_flags_table_spec.js
+++ b/spec/frontend/feature_flags/components/feature_flags_table_spec.js
@@ -54,6 +54,20 @@ const getDefaultProps = () => ({
       name: 'flag without description',
       description: '',
     },
+    {
+      id: 3,
+      iid: 3,
+      active: true,
+      name: 'flag with invalid strategy',
+      scopes: [],
+      strategies: [
+        {
+          name: ROLLOUT_STRATEGY_GITLAB_USER_LIST,
+          parameters: {},
+          scopes: [{ environment_scope: '*' }],
+        },
+      ],
+    },
   ],
 });
 
@@ -220,7 +234,11 @@ describe('Feature flag table', () => {
   });
 
   it('shows the name of a user list for user list', () => {
-    expect(labels.at(3).text()).toContain('User List - test list');
+    expect(labels.at(3).text()).toBe('User List - test list: All Environments');
+  });
+
+  it('shows the empty name of a user list if it is not provided', () => {
+    expect(labels.at(4).text()).toBe('User List: All Environments');
   });
 
   it('renders a feature flag without an iid', () => {