diff --git a/Telegram/build/prepare/linux.sh b/Telegram/build/prepare/linux.sh
index 9aec7cfe3..dc91b36fc 100755
--- a/Telegram/build/prepare/linux.sh
+++ b/Telegram/build/prepare/linux.sh
@@ -4,4 +4,7 @@ pushd `dirname $0` > /dev/null
 FullScriptPath=`pwd`
 popd > /dev/null
 
-./build/docker/centos_env/prepare.sh
+
+cd $FullScriptPath/../docker/centos_env
+poetry run gen_dockerfile | docker build -t tdesktop:centos_env -
+cd $FullExecPath