diff --git a/homeassistant-supervised/DEBIAN/postinst b/homeassistant-supervised/DEBIAN/postinst
index a7dae2f..60ce26e 100755
--- a/homeassistant-supervised/DEBIAN/postinst
+++ b/homeassistant-supervised/DEBIAN/postinst
@@ -13,6 +13,7 @@ SERVICE_DOCKER="docker.service"
 SERVICE_NM="NetworkManager.service"
 
 # Read infos from web
+URL_VERSION_HOST="version.home-assistant.io"
 URL_VERSION="https://version.home-assistant.io/stable.json"
 HASSIO_VERSION=$(curl -s $URL_VERSION | jq -e -r '.supervisor')
 URL_APPARMOR_PROFILE="https://version.home-assistant.io/apparmor.txt"
@@ -26,6 +27,12 @@ systemctl restart "${SERVICE_NM}"
 info "Restarting docker service"
 systemctl restart "$SERVICE_DOCKER"
 
+# Check network connection
+while ! ping -c 1 -W 1 ${URL_VERSION_HOST}; do
+    info "Waiting for ${URL_VERSION_HOST} - network interface might be down..."
+    sleep 2
+done
+
 case $ARCH in
     "i386" | "i686")
         MACHINE=${MACHINE:=qemux86}