diff --git a/src/components/MobileLayout/MobileLayout.tsx b/src/components/MobileLayout/MobileLayout.tsx
index de49c50..85f8ad0 100644
--- a/src/components/MobileLayout/MobileLayout.tsx
+++ b/src/components/MobileLayout/MobileLayout.tsx
@@ -53,7 +53,7 @@ export default class MobileLayout extends React.PureComponent<
                     const groupId = group.id || DEFAULT_GROUP;
                     const items = sortedItems[groupId];
 
-                    const children = items.map((item, index) => {
+                    const children = (items || []).map((item, index) => {
                         const isItemWithActiveAutoheight =
                             item.id in this.state.itemsWithActiveAutoheight;