diff --git a/netopeer/voltha-transapi/ltmain.sh b/netopeer/voltha-transapi/ltmain.sh
index 63ae69d..478b845 100755
--- a/netopeer/voltha-transapi/ltmain.sh
+++ b/netopeer/voltha-transapi/ltmain.sh
@@ -1,3 +1,16 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
 # libtool (GNU libtool) 2.4.2
 # Written by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996