diff --git a/scripts/ansible b/scripts/ansible
index f15c9a5c9..d3854cc09 100755
--- a/scripts/ansible
+++ b/scripts/ansible
@@ -48,10 +48,12 @@ if [ ! `command -v ansible-playbook` ]; then   # "command -v" is POSIX compliant
             apt update
             #apt -y install dirmngr python-pip python-setuptools python-wheel patch
             apt -y install dirmngr
-            echo "deb http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" \
-                 >> /etc/apt/sources.list.d/iiab-ansible.list
-            #echo "deb http://ppa.launchpad.net/ansible/ansible-2.4/ubuntu xenial main" \
-            #     >> /etc/apt/sources.list.d/iiab-ansible.list
+            if ! grep -qx "deb http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" /etc/apt/sources.list /etc/apt/sources.list.d/*.list; then
+                echo "deb http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" \
+                     > /etc/apt/sources.list.d/iiab-ansible.list
+                #echo "deb http://ppa.launchpad.net/ansible/ansible-2.4/ubuntu xenial main" \
+                #     >> /etc/apt/sources.list.d/iiab-ansible.list
+            fi
             apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 93C4A3FD7BB9C367
         fi
     else
@@ -73,13 +75,13 @@ else
     #elif (grep -qi ansible /etc/apt/sources.list) || (ls /etc/apt/sources.list.d/*ansible*.list >/dev/null 2>&1) ; then
     #elif grep -r ansible /etc/apt; then
     # "grep -x" matches whole lines (confirms it's not commented out)
-    elif grep -qx "deb http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" /etc/apt/sources.list /etc/apt/sources.list.d/*.list; then
-        echo -e '\nThe latest Ansible will be installed using line "deb http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" correctly found in /etc/apt/sources.list and/or /etc/apt/sources.list.d/*.list'
+    elif grep -qx "deb http://ppa.launchpad.net/ansible/ansible/ubuntu .* main" /etc/apt/sources.list /etc/apt/sources.list.d/*.list; then
+        echo -e '\nThe latest Ansible will be installed using line "deb http://ppa.launchpad.net/ansible/ansible/ubuntu ... main" correctly found in /etc/apt/sources.list and/or /etc/apt/sources.list.d/*.list'
         echo -e '\nIF *OTHER* ANSIBLE REPOS ARE ALSO FOUND BELOW, PLEASE MANUALLY REMOVE THEM TO ENSURE ANSIBLE UPDATES CLEANLY: (then re-run this script to be sure!)\n'
         grep ansible /etc/apt/sources.list /etc/apt/sources.list.d/*.list
         echo -e '\n'
     else
-        echo -e '\nEXITING: Ansible repo "deb http://ppa.launchpad.net/ansible/ansible/ubuntu xenial main" not found in /etc/apt/sources.list or /etc/apt/sources.list.d/*.list'
+        echo -e '\nEXITING: Ansible repo "deb http://ppa.launchpad.net/ansible/ansible/ubuntu ... main" not found in /etc/apt/sources.list or /etc/apt/sources.list.d/*.list'
         echo -e '\nPLEASE UNINSTALL ANSIBLE (run "apt purge ansible" or "pip uninstall ansible", depending how Ansible was originally installed) THEN RE-RUN THIS SCRIPT.'
         exit 1
     fi