diff --git a/service/history/historyEngine.go b/service/history/historyEngine.go
index 398dd3115d8..8f3db5430a0 100644
--- a/service/history/historyEngine.go
+++ b/service/history/historyEngine.go
@@ -518,7 +518,7 @@ func (e *historyEngineImpl) getMutableState(ctx context.Context,
 		WorkflowType:                         &workflow.WorkflowType{Name: common.StringPtr(msBuilder.executionInfo.WorkflowTypeName)},
 		LastFirstEventId:                     common.Int64Ptr(msBuilder.GetLastFirstEventID()),
 		NextEventId:                          common.Int64Ptr(msBuilder.GetNextEventID()),
-		TaskList:                             &workflow.TaskList{Name: common.StringPtr(context.msBuilder.executionInfo.TaskList)},
+		TaskList:                             &workflow.TaskList{Name: common.StringPtr(msBuilder.executionInfo.TaskList)},
 		StickyTaskList:                       &workflow.TaskList{Name: common.StringPtr(msBuilder.executionInfo.StickyTaskList)},
 		ClientLibraryVersion:                 common.StringPtr(msBuilder.executionInfo.ClientLibraryVersion),
 		ClientFeatureVersion:                 common.StringPtr(msBuilder.executionInfo.ClientFeatureVersion),