diff --git a/percona-packaging/scripts/pg_stat_monitor_builder.sh b/percona-packaging/scripts/pg_stat_monitor_builder.sh
index 5c54096..b779a7e 100755
--- a/percona-packaging/scripts/pg_stat_monitor_builder.sh
+++ b/percona-packaging/scripts/pg_stat_monitor_builder.sh
@@ -248,6 +248,7 @@ install_deps() {
     else
         apt-get update
         DEBIAN_FRONTEND=noninteractive apt-get -y install lsb-release gnupg git wget curl
+		export DEBIAN=$(lsb_release -sc)
 
         wget https://repo.percona.com/apt/percona-release_latest.generic_all.deb
         dpkg -i percona-release_latest.generic_all.deb
@@ -267,7 +268,7 @@ install_deps() {
 
         apt-get update
 
-        if [[ "${OS_NAME}" != "focal" ]]; then
+        if [[ "${DEBIAN}" != "focal" ]]; then
             #LLVM_EXISTS=$(grep -c "apt.llvm.org" /etc/apt/sources.list)
             #if [ "${LLVM_EXISTS}" == 0 ]; then
                 #wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -