diff --git a/subsys/bluetooth/controller/ll_sw/ull_master.c b/subsys/bluetooth/controller/ll_sw/ull_master.c
index 49f4558b8a8..a468b5e0823 100644
--- a/subsys/bluetooth/controller/ll_sw/ull_master.c
+++ b/subsys/bluetooth/controller/ll_sw/ull_master.c
@@ -183,6 +183,7 @@ u8_t ll_create_connection(u16_t scan_interval, u16_t scan_window,
 #endif /* CONFIG_BT_CTLR_LE_PING */
 
 	conn->common.fex_valid = 0U;
+	conn->master.terminate_ack = 0U;
 
 	conn->llcp_req = conn->llcp_ack = conn->llcp_type = 0U;
 	conn->llcp_rx = NULL;