diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index a31c4f6..4cd18bc 100755
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -364,7 +364,7 @@
 #define MTK_CHK_DDONE_EN	BIT(28)
 #define MTK_DMAD_WR_WDONE	BIT(26)
 #define MTK_WCOMP_EN		BIT(24)
-#define MTK_RESV_BUF		(0x40 << 16)
+#define MTK_RESV_BUF		(0x80 << 16)
 #define MTK_MUTLI_CNT		(0x4 << 12)
 
 /* QDMA Reset Index Register */