diff --git a/roles/2-common/tasks/packages.yml b/roles/2-common/tasks/packages.yml
index 7026ff2ff..35f55f499 100644
--- a/roles/2-common/tasks/packages.yml
+++ b/roles/2-common/tasks/packages.yml
@@ -65,7 +65,8 @@
     state: present
 
 # 2019-10-31: roles/kalite crashed without the following python-virtualenv -- weirdly python3-virtualenv was installed on Raspbian (not sure why) but insufficient
-- name: Install package python-virtualenv for KA Lite and Calibre-Web
-  package:	
+- name: Install package python-virtualenv for KA Lite and Calibre-Web, on older OS's (raspbian-9, raspbian-10, debian-9, debian-10, ubuntu-16, ubuntu-18)
+  package:
     name: python-virtualenv
     state: present
+  when: is_raspbian_9 or is_raspbian_10 or is_debian_9 or is_debian_10 or is_ubuntu_16 or is_ubuntu_18