diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/mtk_offload.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/mtk_offload.c
index 5f9e6a6b07..6c23bbc036 100644
--- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/mtk_offload.c
+++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/mtk_offload.c
@@ -384,8 +384,8 @@ static int mtk_ppe_start(struct mtk_eth *eth)
 	mtk_w32(eth, 0x55555555, MTK_REG_PPE_DFT_CPORT);
 #endif
 
-	/* drop packets with TTL=0 */
-	mtk_m32(eth, 0, MTK_PPE_GLO_CFG_TTL0_DROP, MTK_REG_PPE_GLO_CFG);
+	/* allow packets with TTL=0 */
+	mtk_m32(eth, MTK_PPE_GLO_CFG_TTL0_DROP, 0, MTK_REG_PPE_GLO_CFG);
 
 	/* send all traffic from gmac to the ppe */
 	mtk_m32(eth, 0xffff, 0x4444, MTK_GDMA_FWD_CFG(0));