diff --git a/shm/TaskData.h b/shm/TaskData.h
index 4b03382..bc85233 100644
--- a/shm/TaskData.h
+++ b/shm/TaskData.h
@@ -27,8 +27,15 @@ typedef bipc::managed_mapped_file::segment_manager segment_manager_t;
 typedef bipc::node_allocator<float, segment_manager_t> vec_allocator_f;
 typedef boost::container::vector<float, vec_allocator_f> shm_vector_f;
 
+static vec_allocator_f
+    default_allocator(obj_mapped_file.get_segment_manager());
+
 struct TaskRecord {
   shm_vector_f data_record;
+
+  TaskRecord()
+      : data_record(default_allocator) {}
+
   TaskRecord(const bipc::node_allocator<void, segment_manager_t> &alloc)
       : data_record(alloc) {}
 };