diff --git a/hack/boilerplate/boilerplate.generated.go.txt b/hack/boilerplate/boilerplate.generated.go.txt
new file mode 100644
index 000000000..daba3a171
--- /dev/null
+++ b/hack/boilerplate/boilerplate.generated.go.txt
@@ -0,0 +1,16 @@
+/*
+Copyright 2021 The Kubernetes Authors.
+
+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.
+*/
+
diff --git a/hack/update-codegen.sh b/hack/update-codegen.sh
index a80a03b3a..9023a3a1a 100755
--- a/hack/update-codegen.sh
+++ b/hack/update-codegen.sh
@@ -41,4 +41,4 @@ ${CODEGEN_PKG}/generate-groups.sh "deepcopy" \
   k8s.io/ingress-nginx/internal k8s.io/ingress-nginx/internal \
   .:ingress \
   --output-base "$(dirname ${BASH_SOURCE})/../../.." \
-  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate/boilerplate.go.txt
+  --go-header-file ${SCRIPT_ROOT}/hack/boilerplate/boilerplate.generated.go.txt