diff --git a/bootstrap.sh b/bootstrap.sh
index 8896080..d596522 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -5,13 +5,9 @@ sudo apt update && sudo apt -y upgrade
 
 lsb_release -a 2>/dev/null | grep -q bionic
 if [[ $? -eq 0 ]]; then
-    PGS=vim-gtk mc python-jedi python3-jedi htop \
-    python-flake8 python3-flake8 exuberant-ctags pylint flake8 pylint3 \
-    git-review silversearcher-ag python-apsw ccze python-pip
+    PGS="vim-gtk mc python-jedi python3-jedi htop python-flake8 python3-flake8 exuberant-ctags pylint flake8 pylint3 git-review silversearcher-ag python-apsw ccze python-pip"
 else
-    PGS=vim-gtk-py2 mc python-jedi python3-jedi htop \
-    python-flake8 python3-flake8 exuberant-ctags pylint flake8 pylint3 \
-    git-review silversearcher-ag python-apsw ccze python-pip
+    PGS="vim-gtk-py2 mc python-jedi python3-jedi htop python-flake8 python3-flake8 exuberant-ctags pylint flake8 pylint3 git-review silversearcher-ag python-apsw ccze python-pip"
 fi
 
 # 2. install tools