diff --git a/install.sh b/install.sh
index 52d686c..eba06c8 100755
--- a/install.sh
+++ b/install.sh
@@ -56,8 +56,8 @@ function install_host() {
             fi
         done
 
-        apt update
-        apt install -y "${REQUIRED_PKGS[@]}"
+        apt-get update
+        apt-get install -y "${REQUIRED_PKGS[@]}"
     fi
 
 }
diff --git a/tools/idem_apt_install b/tools/idem_apt_install
index 827c976..1167ace 100755
--- a/tools/idem_apt_install
+++ b/tools/idem_apt_install
@@ -13,12 +13,12 @@ function usage() {
 
 if [ "$(date --date='-12 hours' +%s)" -gt "$(date -d "$(stat -c %y /var/lib/apt/lists/partial)" +%s)" ]; then
     echo "updating repositoring..."
-    apt update
+    apt-get update
 fi
 
 for i in "$@"; do
     if ! dpkg -l "$i" 2>/dev/null | grep -q ^ii; then
-        sudo apt install -y "$i"
+        sudo apt-get install -y "$i"
     elif [ -n "${VERBOSE+x}" ] && $VERBOSE; then
         echo "apt package <$i> already installed!"
     fi