diff --git a/homeassistant-supervised/DEBIAN/postinst b/homeassistant-supervised/DEBIAN/postinst
index a69d2ff..e6332a7 100755
--- a/homeassistant-supervised/DEBIAN/postinst
+++ b/homeassistant-supervised/DEBIAN/postinst
@@ -14,7 +14,7 @@ SERVICE_DOCKER="docker.service"
 SERVICE_NM="NetworkManager.service"
 
 # Read infos from web
-URL_CHECK_ONLINE="http://checkonline.home-assistant.io"
+URL_CHECK_ONLINE="checkonline.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"