diff --git a/test/hack/e2e_scripts/install_karpenter.sh b/test/hack/e2e_scripts/install_karpenter.sh
index d8042b48c7b9..1f1f99279efc 100755
--- a/test/hack/e2e_scripts/install_karpenter.sh
+++ b/test/hack/e2e_scripts/install_karpenter.sh
@@ -6,7 +6,7 @@ CHART="oci://$ECR_ACCOUNT_ID.dkr.ecr.$ECR_REGION.amazonaws.com/karpenter/snapsho
 ADDITIONAL_FLAGS=""
 if (( "$PRIVATE_CLUSTER" == 'true' )); then
   CHART="oci://$ACCOUNT_ID.dkr.ecr.$REGION.amazonaws.com/karpenter/snapshot/karpenter"
-  ADDITIONAL_FLAGS="--set .Values.controller.image.repository=$ACCOUNT_ID.dkr.ecr.$REGION.amazonaws.com/karpenter/snapshot/controller --set .Values.controller.image.digest=\"\""
+  ADDITIONAL_FLAGS="--set .Values.controller.image.repository=$ACCOUNT_ID.dkr.ecr.$REGION.amazonaws.com/karpenter/snapshot/controller --set .Values.controller.image.digest=\"\" --set .Values.postInstallHook.image.repository=$ACCOUNT_ID.dkr.ecr.$REGION.amazonaws.com/ecr-public/bitnami/kubectl --set .Values.postInstallHook.image.digest=\"\""
 fi
 
 helm upgrade --install karpenter "${CHART}" \