diff --git a/phy.c b/phy.c
index c2071c8b..0cb5eed9 100644
--- a/phy.c
+++ b/phy.c
@@ -339,7 +339,7 @@ mt76_phy_set_bw(struct mt76_dev *dev, int width, u8 ctrl)
 	}
 
 	mt76_rmw_field(dev, MT_BBP(CORE, 1), MT_BBP_CORE_R1_BW, core_val);
-	mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, core_val);
+	mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, agc_val);
 	mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_CTRL_CHAN, ctrl);
 	mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl);
 }