diff --git a/HISTORY b/HISTORY
index 396ce68..0f9ed87 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,4 +1,7 @@
 
+Version 1.84  2025-12-23
+  * fast_task_queue.h: add function free_queue_task_arg_offset
+
 Version 1.83  2025-11-15
   * fast_task_queue.h: remove field finish_callback
 
diff --git a/src/fast_task_queue.c b/src/fast_task_queue.c
index 719f7e6..d171749 100644
--- a/src/fast_task_queue.c
+++ b/src/fast_task_queue.c
@@ -28,7 +28,7 @@
 static int task_alloc_init(struct fast_task_info *task,
         struct fast_task_queue *queue)
 {
-    task->arg = (char *)task + ALIGNED_TASK_INFO_SIZE + queue->padding_size;
+    task->arg = (char *)task + free_queue_task_arg_offset(queue);
     task->send.ptr = &task->send.holder;
     task->send.ptr->size = queue->min_buff_size;
     if (queue->malloc_whole_block) {
diff --git a/src/fast_task_queue.h b/src/fast_task_queue.h
index df85a4f..f63544d 100644
--- a/src/fast_task_queue.h
+++ b/src/fast_task_queue.h
@@ -236,6 +236,11 @@ static inline int free_queue_alloc_connections(struct fast_task_queue *queue)
     return queue->allocator.info.element_total_count;
 }
 
+static inline int free_queue_task_arg_offset(struct fast_task_queue *queue)
+{
+    return ALIGNED_TASK_INFO_SIZE + queue->padding_size;
+}
+
 int free_queue_get_new_buffer_size(const int min_buff_size,
         const int max_buff_size, const int expect_size, int *new_size);