diff --git a/src/drivers/driver.h b/src/drivers/driver.h
index 016b697d2..30a90c0b9 100644
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -866,6 +866,8 @@ struct wpa_driver_capa {
 #define WPA_DRIVER_FLAGS_OBSS_SCAN			0x04000000
 /* Driver supports IBSS (Ad-hoc) mode */
 #define WPA_DRIVER_FLAGS_IBSS				0x08000000
+/* Driver supports radar detection */
+#define WPA_DRIVER_FLAGS_RADAR				0x10000000
 	unsigned int flags;
 
 	int max_scan_ssids;
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 0a1cac6e7..a28086c99 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -2680,6 +2680,7 @@ static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
 		[NL80211_IFACE_COMB_MAXNUM] = { .type = NLA_U32 },
 		[NL80211_IFACE_COMB_STA_AP_BI_MATCH] = { .type = NLA_FLAG },
 		[NL80211_IFACE_COMB_NUM_CHANNELS] = { .type = NLA_U32 },
+		[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS] = { .type = NLA_U32 },
 	},
 	iface_limit_policy[NUM_NL80211_IFACE_LIMIT] = {
 		[NL80211_IFACE_LIMIT_TYPES] = { .type = NLA_NESTED },
@@ -2693,6 +2694,9 @@ static int wiphy_info_iface_comb_process(struct wiphy_info_data *info,
 	    !tb_comb[NL80211_IFACE_COMB_NUM_CHANNELS])
 		return 0; /* broken combination */
 
+	if (tb_comb[NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS])
+		info->capa->flags |= WPA_DRIVER_FLAGS_RADAR;
+
 	nla_for_each_nested(nl_limit, tb_comb[NL80211_IFACE_COMB_LIMITS],
 			    rem_limit) {
 		err = nla_parse_nested(tb_limit, MAX_NL80211_IFACE_LIMIT,