diff --git a/roles/calibre/tasks/debs.yml b/roles/calibre/tasks/debs.yml
index 8398eab71..5e174cff8 100644
--- a/roles/calibre/tasks/debs.yml
+++ b/roles/calibre/tasks/debs.yml
@@ -46,7 +46,7 @@
 
 - name: Install/Upgrade to Calibre testing .deb's - target Ubuntu 16.04 (not rpi and not ubuntu_18)
   command: scripts/calibre-install-latest.sh
-  when: not is_rpi and (is_ubuntu_16 or is_debian_9) and internet_available
+  when: (not is_rpi) and (is_ubuntu_16 or is_debian_9) and internet_available
   #when: not is_rpi and not is_ubuntu_18 and internet_available
 
 - name: Install/Upgrade to Calibre unstable .deb's IF calibre_unstable_debs