diff --git a/util/install.sh b/util/install.sh
index fd584b8..5886199 100755
--- a/util/install.sh
+++ b/util/install.sh
@@ -5,6 +5,7 @@
 
 # Fail on error
 set -e
+set -x
 
 # Fail on unset var usage
 set -o nounset
@@ -175,9 +176,9 @@ function mn_deps {
     else  # Debian/Ubuntu
         pf=pyflakes
         pep8=pep8
-        # Starting around 20.04, installing pyflakes instead of pyflakes3
+        # Starting around 18.04, installing pyflakes instead of pyflakes3
         # causes Python 2 to be installed, which is exactly NOT what we want.
-        if [ "$DIST" = "Ubuntu" -a `expr $RELEASE '>=' 20.04` = "1" ]; then
+        if [ "$DIST" = "Ubuntu" -a `expr $RELEASE '>=' 18.04` = "1" ]; then
                 pf=pyflakes3
         fi
         # Debian 11 "bullseye" renamed 
@@ -189,9 +190,10 @@ function mn_deps {
         fi
 
         $install gcc make socat psmisc xterm ssh iperf telnet \
-                 ethtool help2man $pf pylint $pep8 \
+                 ethtool help2man pylint3 \
                  net-tools \
                  ${PYPKG}-pexpect ${PYPKG}-tk
+        $install --no-install-recommends $pf $pep8
         # Install pip
         $install ${PYPKG}-pip || $install ${PYPKG}-pip-whl
         if ! ${PYTHON} -m pip -V; then