diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
index 48d60f7b891a..dfc803879028 100644
--- a/drivers/net/wireless/ath/ath12k/mac.c
+++ b/drivers/net/wireless/ath/ath12k/mac.c
@@ -11089,13 +11089,18 @@ ath12k_mac_setup_radio_iface_comb(struct ath12k *ar,
 	comb[0].limits = limits;
 	comb[0].n_limits = n_limits;
 	comb[0].max_interfaces = max_interfaces;
-	comb[0].num_different_channels = 1;
 	comb[0].beacon_int_infra_match = true;
 	comb[0].beacon_int_min_gcd = 100;
-	comb[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
-					BIT(NL80211_CHAN_WIDTH_20) |
-					BIT(NL80211_CHAN_WIDTH_40) |
-					BIT(NL80211_CHAN_WIDTH_80);
+
+	if (ar->ab->hw_params->single_pdev_only) {
+		comb[0].num_different_channels = 2;
+	} else {
+		comb[0].num_different_channels = 1;
+		comb[0].radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+						BIT(NL80211_CHAN_WIDTH_20) |
+						BIT(NL80211_CHAN_WIDTH_40) |
+						BIT(NL80211_CHAN_WIDTH_80);
+	}
 
 	return 0;
 }