diff --git a/src/libs/ReportUtils.ts b/src/libs/ReportUtils.ts
index 09e3671b0df9..09edfcfcdcee 100644
--- a/src/libs/ReportUtils.ts
+++ b/src/libs/ReportUtils.ts
@@ -4595,7 +4595,7 @@ function buildOptimisticTaskCommentReportAction(
     taskTitle: string,
     taskAssigneeAccountID: number,
     text: string,
-    parentReportID: string,
+    parentReportID: string | undefined,
     actorAccountID?: number,
     createdOffset = 0,
 ): OptimisticReportAction {
@@ -7514,7 +7514,7 @@ function getTaskAssigneeChatOnyxData(
     assigneeAccountID: number,
     taskReportID: string,
     assigneeChatReportID: string,
-    parentReportID: string,
+    parentReportID: string | undefined,
     title: string,
     assigneeChatReport: OnyxEntry<Report>,
 ): OnyxDataTaskAssigneeChat {
diff --git a/src/libs/actions/Task.ts b/src/libs/actions/Task.ts
index 0659d5df2cd7..75cb4d5527ac 100644
--- a/src/libs/actions/Task.ts
+++ b/src/libs/actions/Task.ts
@@ -725,8 +725,7 @@ function editTaskAssignee(report: OnyxTypes.Report, sessionAccountID: number, as
             assigneeAccountID,
             report.reportID,
             assigneeChatReportID,
-            // eslint-disable-next-line @typescript-eslint/non-nullable-type-assertion-style
-            report.parentReportID as string,
+            report.parentReportID,
             reportName ?? '',
             assigneeChatReport,
         );