diff --git a/roles/network/tasks/restart.yml b/roles/network/tasks/restart.yml
index fd9ee0d49..b1b052ca4 100644
--- a/roles/network/tasks/restart.yml
+++ b/roles/network/tasks/restart.yml
@@ -15,13 +15,13 @@
     name: "{{ proxy }}"
     state: stopped
   async: 120
-  when: squid_install
+  when: squid_install | bool
 
 - name: Stop DansGuardian
   systemd:
     name: dansguardian
     state: stopped
-  when: dansguardian_install
+  when: dansguardian_install | bool
 
 - name: Restart DansGuardian service (dansguardian) except Ubuntu which needs reboot to activate
   systemd:
@@ -40,7 +40,7 @@
   systemd:
     name: wondershaper
     state: restarted
-  when: wondershaper_enabled
+  when: wondershaper_enabled | bool
 
 - name: Restart Avahi service (avahi-daemon)
   systemd: