diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 5985b40950bc1f97438cd49a783305dc6af75eb8..fc77d9bfd626085f2062da37a147802b1048bd45 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -2101,7 +2101,7 @@ static void rtw89_hw_scan_add_chan(struct rtw89_dev *rtwdev, int chan_type,
 		ch_info->num_pkt = 0;
 		break;
 	case RTW89_CHAN_DFS:
-		ch_info->period = min_t(u8, ch_info->period,
+		ch_info->period = max_t(u8, ch_info->period,
 					RTW89_DFS_CHAN_TIME);
 		ch_info->dwell_time = RTW89_DWELL_TIME;
 		break;