diff --git a/drivers/misc/mediatek/connectivity/wlan/core/gen4m/common/wlan_lib.c b/drivers/misc/mediatek/connectivity/wlan/core/gen4m/common/wlan_lib.c
index b8e8d498bad4..b2b72ccc2486 100644
--- a/drivers/misc/mediatek/connectivity/wlan/core/gen4m/common/wlan_lib.c
+++ b/drivers/misc/mediatek/connectivity/wlan/core/gen4m/common/wlan_lib.c
@@ -7537,7 +7537,7 @@ void wlanInitFeatureOption(IN struct ADAPTER *prAdapter)
 	prWifiVar->ucStaBandwidth = (uint8_t) wlanCfgGetUint32(
 				prAdapter, "StaBw", MAX_BW_160MHZ);
 	prWifiVar->ucSta2gBandwidth = (uint8_t) wlanCfgGetUint32(
-				prAdapter, "Sta2gBw", MAX_BW_20MHZ);
+				prAdapter, "Sta2gBw", MAX_BW_40MHZ);
 	prWifiVar->ucSta5gBandwidth = (uint8_t) wlanCfgGetUint32(
 				prAdapter, "Sta5gBw", MAX_BW_160MHZ);
 	prWifiVar->ucSta6gBandwidth = (uint8_t) wlanCfgGetUint32(