diff --git a/mt7603.h b/mt7603.h
index 504a6242..1bb95867 100644
--- a/mt7603.h
+++ b/mt7603.h
@@ -105,6 +105,7 @@ static inline void mt7603_irq_disable(struct mt7603_dev *dev, u32 mask)
 	mt7603_set_irq_mask(dev, mask, 0);
 }
 
+int mt7603_set_channel(struct mt7603_dev *dev, struct cfg80211_chan_def *def);
 int mt7603_mcu_set_channel(struct mt7603_dev *dev);
 
 #endif
diff --git a/mt7603_core.c b/mt7603_core.c
index 7a3199b0..fc53ac7e 100644
--- a/mt7603_core.c
+++ b/mt7603_core.c
@@ -73,3 +73,20 @@ u32 mt7603_reg_map(struct mt7603_dev *dev, u32 addr)
 
 	return MT_PCIE_REMAP_BASE_2 + offset;
 }
+
+int mt7603_set_channel(struct mt7603_dev *dev, struct cfg80211_chan_def *def)
+{
+	int ret;
+
+	u8 bw = MT_BW_20;
+
+	dev->chandef = *def;
+	mt76_rmw_field(dev, MT_AGG_BWCR, MT_AGG_BWCR_BW, bw);
+	ret = mt7603_mcu_set_channel(dev);
+	if (ret)
+		return ret;
+
+	mt76_set(dev, MT_WF_RMAC_CH_FREQ, 1);
+
+	return 0;
+}
diff --git a/mt7603_main.c b/mt7603_main.c
index a0ee3565..52389b27 100644
--- a/mt7603_main.c
+++ b/mt7603_main.c
@@ -51,8 +51,7 @@ mt7603_config(struct ieee80211_hw *hw, u32 changed)
 	mutex_lock(&dev->mutex);
 
 	if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
-		dev->chandef = hw->conf.chandef;
-		ret = mt7603_mcu_set_channel(dev);
+		ret = mt7603_set_channel(dev, &hw->conf.chandef);
 	}
 
 	mutex_unlock(&dev->mutex);
diff --git a/mt7603_regs.h b/mt7603_regs.h
index 3dd94982..a66e757a 100644
--- a/mt7603_regs.h
+++ b/mt7603_regs.h
@@ -126,6 +126,9 @@
 
 #define MT_AGG_TMP			MT_WF_AGG(0x0d8)
 
+#define MT_AGG_BWCR			MT_WF_AGG(0x0ec)
+#define MT_AGG_BWCR_BW			GENMASK(3, 2)
+
 
 #define MT_WF_DMA_BASE			0x21c00
 #define MT_WF_DMA(ofs)			(MT_WF_DMA_BASE + (ofs))
@@ -207,6 +210,7 @@
 #define MT_WF_RMAC_RMCR_RX_STREAMS	GENMASK(24, 22)
 #define MT_WF_RMAC_RMCR_SMPS_RTS	BIT(25)
 
+#define MT_WF_RMAC_CH_FREQ		MT_WF_RMAC(0x090)
 #define MT_WF_RMAC_MAXMINLEN		MT_WF_RMAC(0x098)
 #define MT_WF_RFCR1			MT_WF_RMAC(0x0a4)
 #define MT_WF_RMAC_TMR_PA		MT_WF_RMAC(0x0e0)