diff --git a/params/config.go b/params/config.go
index 4243ba2328..24a62a5603 100644
--- a/params/config.go
+++ b/params/config.go
@@ -661,6 +661,10 @@ type Rules struct {
 	// Rules for Ethereum releases
 	EthRules
 
+	RulesExtra
+}
+
+type RulesExtra struct {
 	// Rules for Avalanche releases
 	AvalancheRules
 
diff --git a/plugin/evm/block_test.go b/plugin/evm/block_test.go
index f30cc4ceae..79d69811db 100644
--- a/plugin/evm/block_test.go
+++ b/plugin/evm/block_test.go
@@ -89,8 +89,10 @@ func TestHandlePrecompileAccept(t *testing.T) {
 	// Call handlePrecompileAccept
 	blk := vm.newBlock(ethBlock)
 	rules := params.Rules{
-		AccepterPrecompiles: map[common.Address]precompileconfig.Accepter{
-			precompileAddr: mockAccepter,
+		RulesExtra: params.RulesExtra{
+			AccepterPrecompiles: map[common.Address]precompileconfig.Accepter{
+				precompileAddr: mockAccepter,
+			},
 		},
 	}
 	require.NoError(blk.handlePrecompileAccept(rules, nil))