diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c
index 3b3fd451e445..6da1193422fb 100644
--- a/drivers/net/wireless/realtek/rtw89/coex.c
+++ b/drivers/net/wireless/realtek/rtw89/coex.c
@@ -4855,6 +4855,8 @@ static void _set_btg_ctrl(struct rtw89_dev *rtwdev)
 
 	if (rtwdev->dbcc_en) {
 		if (ver->fwlrole == 0) {
+			wl_rinfo.dbcc_2g_phy = RTW89_PHY_MAX;
+
 			for (i = 0; i < RTW89_PHY_MAX; i++) {
 				if (wl_dinfo->real_band[i] == RTW89_BAND_2G)
 					wl_rinfo.dbcc_2g_phy = i;