diff --git a/install.sh b/install.sh
index 5983c1c..78ac636 100755
--- a/install.sh
+++ b/install.sh
@@ -55,11 +55,9 @@ function sudo_root {
 }
 ## MAIN
 
-# source <(curl -s https://git.artcode.re/miaou/miaou-bash/raw/branch/main/install2.sh)
-
 set -Eeuo pipefail
 assert_supported_distro
 sudo_root
 deployment_type_adjective="${1:-installed}"
 if once_installed; then upgrade; else install; fi
-exec bash -l
+[[ $deployment_type_adjective == 'installed' ]] && exec bash -l
diff --git a/lib/self-upgrade.bash b/lib/self-upgrade.bash
index 4e0369f..b151604 100644
--- a/lib/self-upgrade.bash
+++ b/lib/self-upgrade.bash
@@ -10,7 +10,8 @@ function self_upgrade {
   if "$backup"/install.sh upgraded; then
     sudo rm -rf "$backup"
     echo -n "version: "
-    . "$MIAOU_BASH_DIR"/bin/miaou-bash --version
+    miaou-bash --version
+    exec bash -l
   else
     echo "ERROR: trouble during self-upgrade: revert back"
     sudo rm -rf "$MIAOU_BASH_DIR"