diff --git a/chain/types/ethtypes/eth_types.go b/chain/types/ethtypes/eth_types.go
index 1539a638b60..d24c5256357 100644
--- a/chain/types/ethtypes/eth_types.go
+++ b/chain/types/ethtypes/eth_types.go
@@ -478,7 +478,7 @@ type EthFeeHistory struct {
 type EthFilterID EthHash
 
 func (h EthFilterID) MarshalJSON() ([]byte, error) {
-	return (EthHash)(h).MarshalJSON()
+	return json.Marshal(h.String())
 }
 
 func (h *EthFilterID) UnmarshalJSON(b []byte) error {
@@ -486,7 +486,7 @@ func (h *EthFilterID) UnmarshalJSON(b []byte) error {
 }
 
 func (h EthFilterID) String() string {
-	return (EthHash)(h).String()
+	return "0x" + strings.TrimLeft(hex.EncodeToString(h[:]), "0")
 }
 
 // An opaque identifier generated by the Lotus node to refer to an active subscription.
diff --git a/chain/types/ethtypes/eth_types_test.go b/chain/types/ethtypes/eth_types_test.go
index 118fbc90160..0bb15d68f2a 100644
--- a/chain/types/ethtypes/eth_types_test.go
+++ b/chain/types/ethtypes/eth_types_test.go
@@ -108,7 +108,7 @@ func TestEthHash(t *testing.T) {
 
 func TestEthFilterID(t *testing.T) {
 	testcases := []string{
-		`"0x013dbb9442ca9667baccc6230fcd5c1c4b2d4d2870f4bd20681d4d47cfd15184"`,
+		`"0x13dbb9442ca9667baccc6230fcd5c1c4b2d4d2870f4bd20681d4d47cfd15184"`,
 		`"0xab8653edf9f51785664a643b47605a7ba3d917b5339a0724e7642c114d0e4738"`,
 	}