diff --git a/pika-baseos/debian/pika-baseos.postinst b/pika-baseos/debian/pika-baseos.postinst
index 362ad7d..1b956f1 100644
--- a/pika-baseos/debian/pika-baseos.postinst
+++ b/pika-baseos/debian/pika-baseos.postinst
@@ -3,3 +3,4 @@ systemctl disable --now gpu-manager || true
 systemctl mask gpu-manager || true
 systemctl enable --now nvidia-pika-prime || true
 apt-mark hold snapd  || true
+echo "127.0.1.1 ${HOSTNAME}" >> /etc/hosts
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