diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5c5be7d5a9944cea5c0e81321b05246d7b3f407e..188169a3217b5455ad430077b449169d0046ddf2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: debian:bullseye
+image: debian:buster
 
 # Is performed before the scripts in the stages step
 before_script:  
diff --git a/make.sh b/make.sh
index a93f6efea269c8f84920bf2c7ff36153972cbf42..cc9c7ed132a1c46c44f8ea31b2b5387ea1fe9da6 100755
--- a/make.sh
+++ b/make.sh
@@ -2,7 +2,6 @@
 
 # Nastaveni promennych
 export DEBIAN_FRONTEND=noninteractive
-export DEBEMAIL="Pavel Vondruska <vondruska@cesnet.cz>"
 
 # Nacteni promennych o bezicim systemu vcetne verzi
 . /etc/os-release