diff --git a/web/components/issues/issue-layouts/list/blocks-list.tsx b/web/components/issues/issue-layouts/list/blocks-list.tsx
index c51d37547..29709496c 100644
--- a/web/components/issues/issue-layouts/list/blocks-list.tsx
+++ b/web/components/issues/issue-layouts/list/blocks-list.tsx
@@ -24,6 +24,7 @@ export const IssueBlocksList: FC<Props> = (props) => {
       {issueIds && issueIds.length > 0 ? (
         issueIds.map(
           (issueId: string) =>
+            issueId != undefined &&
             issues[issueId] && (
               <IssueBlock
                 key={issues[issueId].id}