diff --git a/mt76x2_dfs.c b/mt76x2_dfs.c
index 1a6282a8..df23ba5e 100644
--- a/mt76x2_dfs.c
+++ b/mt76x2_dfs.c
@@ -490,3 +490,16 @@ void mt76x2_dfs_init_detector(struct mt76x2_dev *dev)
 		     (unsigned long)dev);
 }
 
+void mt76x2_dfs_set_domain(struct mt76x2_dev *dev,
+			   enum nl80211_dfs_regions region)
+{
+	struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
+
+	if (dfs_pd->region != region) {
+		tasklet_disable(&dfs_pd->dfs_tasklet);
+		dfs_pd->region = region;
+		mt76x2_dfs_init_params(dev);
+		tasklet_enable(&dfs_pd->dfs_tasklet);
+	}
+}
+
diff --git a/mt76x2_dfs.h b/mt76x2_dfs.h
index 9ac69b6a..8dbc783c 100644
--- a/mt76x2_dfs.h
+++ b/mt76x2_dfs.h
@@ -76,5 +76,7 @@ struct mt76x2_dfs_pattern_detector {
 void mt76x2_dfs_init_params(struct mt76x2_dev *dev);
 void mt76x2_dfs_init_detector(struct mt76x2_dev *dev);
 void mt76x2_dfs_adjust_agc(struct mt76x2_dev *dev);
+void mt76x2_dfs_set_domain(struct mt76x2_dev *dev,
+			   enum nl80211_dfs_regions region);
 
 #endif /* __MT76x2_DFS_H */
diff --git a/mt76x2_init.c b/mt76x2_init.c
index 6f942e50..48fece55 100644
--- a/mt76x2_init.c
+++ b/mt76x2_init.c
@@ -659,7 +659,7 @@ static void mt76x2_regd_notifier(struct wiphy *wiphy,
 	struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
 	struct mt76x2_dev *dev = hw->priv;
 
-	dev->dfs_pd.region = request->dfs_region;
+	mt76x2_dfs_set_domain(dev, request->dfs_region);
 }
 
 #define CCK_RATE(_idx, _rate) {					\