diff --git a/web/core/components/issues/issue-detail-widgets/issue-detail-widget-modals.tsx b/web/core/components/issues/issue-detail-widgets/issue-detail-widget-modals.tsx
index f30f968955f..a0f5a158f3e 100644
--- a/web/core/components/issues/issue-detail-widgets/issue-detail-widget-modals.tsx
+++ b/web/core/components/issues/issue-detail-widgets/issue-detail-widget-modals.tsx
@@ -82,7 +82,7 @@ export const IssueDetailWidgetModals: FC<Props> = observer((props) => {
 
   const handleCreateUpdateModalOnSubmit = async (_issue: TIssue) => {
     if (_issue.parent_id) {
-      await subIssueOperations.addSubIssue(workspaceSlug, projectId, issueId, [_issue.id]);
+      await subIssueOperations.addSubIssue(workspaceSlug, projectId, _issue.parent_id, [_issue.id]);
     }
   };
 
diff --git a/web/core/components/issues/sub-issues/root.tsx b/web/core/components/issues/sub-issues/root.tsx
index c4dbea5be7b..7e912eec7c1 100644
--- a/web/core/components/issues/sub-issues/root.tsx
+++ b/web/core/components/issues/sub-issues/root.tsx
@@ -465,7 +465,7 @@ export const SubIssuesRoot: FC<ISubIssuesRoot> = observer((props) => {
               }}
               onSubmit={async (_issue: TIssue) => {
                 if (_issue.parent_id) {
-                  await subIssueOperations.addSubIssue(workspaceSlug, projectId, parentIssueId, [_issue.id]);
+                  await subIssueOperations.addSubIssue(workspaceSlug, projectId, _issue.parent_id, [_issue.id]);
                 }
               }}
             />