diff --git a/src/backend.c b/src/backend.c
index fe9bda5..8b06ddb 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -1472,7 +1472,7 @@
 				if (tokill_conn) {
 					/* We got one, put it into the concerned thread's to kill list, and wake it's kill task */
 
-					MT_LIST_ADDQ(&idle_conns[i].toremove_conns,
+					MT_LIST_APPEND(&idle_conns[i].toremove_conns,
 					    (struct mt_list *)&tokill_conn->toremove_list);
 					task_wakeup(idle_conns[i].cleanup_task, TASK_WOKEN_OTHER);
 					break;