diff --git a/umac/dfs/core/src/filtering/dfs_process_phyerr.c b/umac/dfs/core/src/filtering/dfs_process_phyerr.c
index 913f81741bd9..4dee95054822 100644
--- a/umac/dfs/core/src/filtering/dfs_process_phyerr.c
+++ b/umac/dfs/core/src/filtering/dfs_process_phyerr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
  * Copyright (c) 2002-2010, Atheros Communications Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
@@ -655,7 +655,8 @@ void dfs_process_phyerr(struct wlan_dfs *dfs, void *buf, uint16_t datalen,
 		 * BIN 5 chirping pulses are only for FCC or Japan MMK4 domain
 		 */
 		if (((dfs->dfsdomain == DFS_FCC_DOMAIN) ||
-			    (dfs->dfsdomain == DFS_MKK4_DOMAIN)) &&
+			    (dfs->dfsdomain == DFS_MKK4_DOMAIN) ||
+			    (dfs->dfsdomain == DFS_MKKN_DOMAIN)) &&
 			(e.dur >= MAYBE_BIN5_DUR) && (e.dur < MAX_BIN5_DUR)) {
 			int add_dur;
 			int slope = 0, dc_found = 0;
@@ -693,7 +694,8 @@ void dfs_process_phyerr(struct wlan_dfs *dfs, void *buf, uint16_t datalen,
 			 * MAX_BIN5_DUR or less than MAYBE_BIN5_DUR
 			 */
 			if ((dfs->dfsdomain == DFS_FCC_DOMAIN) ||
-					(dfs->dfsdomain == DFS_MKK4_DOMAIN)) {
+					(dfs->dfsdomain == DFS_MKK4_DOMAIN) ||
+					(dfs->dfsdomain == DFS_MKKN_DOMAIN)) {
 				/*
 				 * Would this result in very large pulses
 				 * wrapping around to become short pulses?
diff --git a/umac/dfs/core/src/filtering/dfs_process_radarevent.c b/umac/dfs/core/src/filtering/dfs_process_radarevent.c
index 3d913ef84872..d3e2cb05b91f 100644
--- a/umac/dfs/core/src/filtering/dfs_process_radarevent.c
+++ b/umac/dfs/core/src/filtering/dfs_process_radarevent.c
@@ -119,7 +119,8 @@ static inline void dfs_dur_check(
 	uint32_t diff_ts)
 {
 	if ((dfs->dfsdomain == DFS_FCC_DOMAIN ||
-	     dfs->dfsdomain == DFS_MKK4_DOMAIN) &&
+	     dfs->dfsdomain == DFS_MKK4_DOMAIN ||
+		 dfs->dfsdomain == DFS_MKKN_DOMAIN) &&
 	    ((chan->dfs_ch_flags & WLAN_CHAN_VHT80) == WLAN_CHAN_VHT80) &&
 	    (DFS_DIFF(chan->dfs_ch_freq, chan->dfs_ch_mhz_freq_seg1) ==
 	    DFS_WAR_30_MHZ_SEPARATION) &&
@@ -750,7 +751,8 @@ static inline int dfs_handle_missing_pulses(
 		struct wlan_dfs *dfs,
 		struct dfs_channel *chan)
 {
-	if ((dfs->dfsdomain  == DFS_MKK4_DOMAIN) &&
+	if ((dfs->dfsdomain  == DFS_MKK4_DOMAIN ||
+	     dfs->dfsdomain == DFS_MKKN_DOMAIN) &&
 			(dfs->dfs_caps.wlan_chip_is_bb_tlv) &&
 			(chan->dfs_ch_freq < FREQ_5500_MHZ)) {
 		dfs->dfs_pri_multiplier = DFS_W53_DEFAULT_PRI_MULTIPLIER;