diff --git a/drivers/nble/gap.c b/drivers/nble/gap.c
index 6eaf6064605..5cdb406268a 100644
--- a/drivers/nble/gap.c
+++ b/drivers/nble/gap.c
@@ -258,17 +258,18 @@ void ble_log(const struct ble_log_s *param, char *format, uint8_t len)
 
 void on_ble_gap_connect_evt(const struct ble_gap_connect_evt *ev)
 {
-	BT_DBG("");
+	BT_DBG("handle %u", ev->conn_handle);
 }
 
 void on_ble_gap_disconnect_evt(const struct ble_gap_disconnect_evt *ev)
 {
-	BT_DBG("");
+	BT_DBG("handle %u", ev->conn_handle);
 }
 
 void on_ble_gap_conn_update_evt(const struct ble_gap_conn_update_evt *ev)
 {
-	BT_DBG("");
+	BT_DBG("handle %u interval %u", ev->conn_handle,
+	       ev->conn_values.interval);
 }
 
 void on_ble_gap_sm_status_evt(const struct ble_gap_sm_status_evt *ev)