diff --git a/src/connection.c b/src/connection.c
index 535fb6b..c394d0f 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -70,7 +70,7 @@
 		 */
 		if (srv && ((srv->proxy->options & PR_O_REUSE_MASK) == PR_O_REUSE_ALWS) &&
 		    !(conn->flags & CO_FL_PRIVATE) && conn->mux->avail_streams(conn) > 0)
-			ebmb_insert(&srv->available_conns_tree[tid], &conn->hash_node->node, sizeof(conn->hash_node->hash));
+			ebmb_insert(&srv->per_thr[tid].avail_conns, &conn->hash_node->node, sizeof(conn->hash_node->hash));
 		else if (conn->flags & CO_FL_PRIVATE) {
 			/* If it fail now, the same will be done in mux->detach() callback */
 			session_add_conn(sess, conn, conn->target);