diff --git a/install.sh b/install.sh
index bb3186b..abfe63d 100755
--- a/install.sh
+++ b/install.sh
@@ -12,10 +12,11 @@ DOTDIR="/var/lib/dotfiles"
 
 os_release_file=/etc/os-release
 if [[ ! -e "${os_release_file}" ]] ; then
-    2>&1 printf "Could not find ${os_release_file}, exiting"
+    2>&1 printf 'Could not find %, exiting' "${os_release_file}"
     exit 1
 fi
 
+# shellcheck source=/etc/os-release
 source "${os_release_file}"
 
 sudowrap() {
@@ -37,7 +38,7 @@ install() {
         fi
         sudowrap pacman -S --needed --noconfirm "${package}"
     else
-        2>&1 printf "Unsupported distro $NAME, exiting"
+        2>&1 printf 'Unsupported distro %s, exiting' "$NAME"
         exit 1
     fi
 }
diff --git a/install_scripts/bootstrap.sh b/install_scripts/bootstrap.sh
index 63e6ca1..be882ad 100755
--- a/install_scripts/bootstrap.sh
+++ b/install_scripts/bootstrap.sh
@@ -10,10 +10,10 @@ pacman -Sy --noconfirm git # yes its a partial upgrade, but thats just the live
 cd /root
 git clone --recursive https://code.hkoerber.de/hannes/dotfiles.git
 
-./dotfiles/install_scripts/${host}.sh
+./dotfiles/install_scripts/"${host}".sh
 
 mv /root/dotfiles /mnt/var/lib/dotfiles
 
-read -p "> Ready for reboot. Press enter for shutdown, then remove the installation media and boot again "
+read -rp "> Ready for reboot. Press enter for shutdown, then remove the installation media and boot again "
 
 poweroff