diff --git a/hack/update-codegen.sh b/hack/update-codegen.sh
index fadc67633..47a104584 100755
--- a/hack/update-codegen.sh
+++ b/hack/update-codegen.sh
@@ -27,7 +27,7 @@ if [[ ! -d ${CODEGEN_PKG} ]]; then
 fi
 
 # Ensure we can execute.
-chmod +x ${CODEGEN_PKG}/generate-groups.sh
+chmod +x ${CODEGEN_PKG}/kube_codegen.sh
 
 # generate the code with:
 # --output-base    because this script should also be able to run inside the vendor dir of
@@ -37,7 +37,7 @@ chmod +x ${CODEGEN_PKG}/generate-groups.sh
 #  k8s.io/ingress-nginx/pkg/client k8s.io/ingress-nginx/pkg/apis \
 #  nginxingress:v1alpha1 \
 #  --output-base "$(dirname ${BASH_SOURCE})/../../.."
-${CODEGEN_PKG}/generate-groups.sh "deepcopy" \
+${CODEGEN_PKG}/kube_codegen.sh "deepcopy" \
   k8s.io/ingress-nginx/internal k8s.io/ingress-nginx/pkg/apis \
   .:ingress \
   --output-base "$(dirname ${BASH_SOURCE})/../../.." \