diff --git a/recipes-kernel/mac80211/mac80211/0009-netmodule-patches.patch b/recipes-kernel/mac80211/mac80211/0009-netmodule-patches.patch
index 01b20bb..61a2bfe 100644
--- a/recipes-kernel/mac80211/mac80211/0009-netmodule-patches.patch
+++ b/recipes-kernel/mac80211/mac80211/0009-netmodule-patches.patch
@@ -959,6 +959,17 @@ index b6caa2b..fbe581a 100644
  	}
  
  	if (chan->orig_mpwr) {
+@@ -1932,6 +1932,10 @@ static void handle_channel_adjacent_rules(struct wiphy *wiphy,
+ 			chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS;
+ 	}
+ 
++	if (chan->max_reg_power <= REG_CHANNEL_LOW_PWR_DBM) {
++		chan->flags |= IEEE80211_CHAN_SRD;
++	}
++
+ 	if (chan->orig_mpwr) {
+ 		/* Devices that use REGULATORY_COUNTRY_IE_FOLLOW_POWER
+ 		 * will always follow the passed country IE power settings.
 @@ -2522,6 +2533,10 @@ static void handle_channel_custom(struct wiphy *wiphy,
  	}