diff --git a/drivers/net/ethernet/airoha/airoha_regs.h b/drivers/net/ethernet/airoha/airoha_regs.h
index 150c859..e1c15c2 100644
--- a/drivers/net/ethernet/airoha/airoha_regs.h
+++ b/drivers/net/ethernet/airoha/airoha_regs.h
@@ -237,8 +237,8 @@
 #define PPE_FLOW_CFG_IP4_TCP_FRAG_MASK		BIT(6)
 
 #define REG_PPE_IP_PROTO_CHK(_n)		(((_n) ? PPE2_BASE : PPE1_BASE) + 0x208)
-#define PPE_IP_PROTO_CHK_IPV4_MASK		GENMASK(15, 0)
-#define PPE_IP_PROTO_CHK_IPV6_MASK		GENMASK(31, 16)
+#define PPE_IP_PROTO_CHK_IPV4_MASK		GENMASK(31, 16)
+#define PPE_IP_PROTO_CHK_IPV6_MASK		GENMASK(15, 0)
 
 #define REG_PPE_TB_CFG(_n)			(((_n) ? PPE2_BASE : PPE1_BASE) + 0x21c)
 #define PPE_SRAM_TB_NUM_ENTRY_MASK		GENMASK(26, 24)