diff --git a/mt76x0/eeprom.c b/mt76x0/eeprom.c
index 36918b1b..6f1d0c21 100644
--- a/mt76x0/eeprom.c
+++ b/mt76x0/eeprom.c
@@ -220,7 +220,7 @@ void mt76x0_get_tx_power_per_rate(struct mt76x02_dev *dev,
 void mt76x0_get_power_info(struct mt76x02_dev *dev,
 			   struct ieee80211_channel *chan, s8 *tp)
 {
-	struct mt76x0_chan_map {
+	static const struct mt76x0_chan_map {
 		u8 chan;
 		u8 offset;
 	} chan_map[] = {