diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 621019f43531..39a54a544d45 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1633,6 +1633,7 @@ void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
 	ch->max_power = arg->max_power;
 	ch->reg_power = arg->max_reg_power;
 	ch->antenna_max = arg->max_antenna_gain;
+	ch->max_tx_power = arg->max_power;
 
 	/* mode & flags share storage */
 	ch->mode = arg->mode;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index db2553522d8b..fe36b2c99018 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -1795,6 +1795,7 @@ struct wmi_channel {
 		__le32 reginfo1;
 		struct {
 			u8 antenna_max;
+			u8 max_tx_power;
 		} __packed;
 	} __packed;
 } __packed;