diff --git a/Dockerfile b/Dockerfile
index 3c67acd..b548916 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine
 
 ENV RTM_VERSION 9.4-4
 ENV RTM_DOWNLOAD_URL "ftp://ftp.ovh.net/made-in-ovh/rtm/install_rtm-0."
-ENV RTM_INSTALLER_CHECKSUM
+ENV RTM_INSTALLER_CHECKSUM 16dcde3cf46f82dcacfb63535b9375c97f0cc1ba4e412c086f0f03dd8a5483ac
 ENV RTM_REPORT_INTERVAL 60
 
 RUN apk add --no-cache bash curl sed gawk bind-tools which screen dmidecode pciutils bzip2 perl