diff --git a/mt7615/init.c b/mt7615/init.c
index 280db944..6151ee61 100644
--- a/mt7615/init.c
+++ b/mt7615/init.c
@@ -159,6 +159,12 @@ static const struct ieee80211_iface_combination if_comb[] = {
 		.max_interfaces = 4,
 		.num_different_channels = 1,
 		.beacon_int_infra_match = true,
+		.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+				       BIT(NL80211_CHAN_WIDTH_20) |
+				       BIT(NL80211_CHAN_WIDTH_40) |
+				       BIT(NL80211_CHAN_WIDTH_80) |
+				       BIT(NL80211_CHAN_WIDTH_160) |
+				       BIT(NL80211_CHAN_WIDTH_80P80),
 	}
 };