diff --git a/core/vm/runtime/env.go b/core/vm/runtime/env.go
index c7f13d34ff..31c9b9cf9d 100644
--- a/core/vm/runtime/env.go
+++ b/core/vm/runtime/env.go
@@ -1,4 +1,20 @@
-package validator
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package runtime
 
 import (
 	"github.com/ethereum/go-ethereum/common"
@@ -22,4 +38,4 @@ func NewEnv(cfg *Config) *vm.EVM {
 	}
 
 	return vm.NewEVM(context, cfg.State, cfg.ChainConfig, cfg.EVMConfig)
-}
\ No newline at end of file
+}
diff --git a/core/vm/runtime/runtime.go b/core/vm/runtime/runtime.go
index 8a60c9cf95..1e9ed7ae2d 100644
--- a/core/vm/runtime/runtime.go
+++ b/core/vm/runtime/runtime.go
@@ -1,4 +1,20 @@
-package validator
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package runtime
 
 import (
 	"math"
@@ -153,4 +169,4 @@ func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, er
 	)
 
 	return ret, leftOverGas, err
-}
\ No newline at end of file
+}
diff --git a/core/vm/runtime/runtime_test.go b/core/vm/runtime/runtime_test.go
index 88b96accec..2c4dc50265 100644
--- a/core/vm/runtime/runtime_test.go
+++ b/core/vm/runtime/runtime_test.go
@@ -1,4 +1,20 @@
-package validator
+// Copyright 2015 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package runtime
 
 import (
 	"math/big"
@@ -132,4 +148,4 @@ func BenchmarkCall(b *testing.B) {
 			Execute(code, refund, nil)
 		}
 	}
-}
\ No newline at end of file
+}