diff --git a/filter_plugins/generate_all_domains.py b/filter_plugins/generate_all_domains.py
index 2bf25ef2..41d6b894 100644
--- a/filter_plugins/generate_all_domains.py
+++ b/filter_plugins/generate_all_domains.py
@@ -4,7 +4,7 @@ class FilterModule(object):
     def filters(self):
         return {'generate_all_domains': self.generate_all_domains}
 
-    def generate_all_domains(self, domains_dict, include_www=True):
+    def generate_all_domains(self, domains_dict, include_www:bool=True):
         """
         Transform a dict of domains (values: str, list, dict) into a flat list,
         optionally add 'www.' prefixes, dedupe and sort alphabetically.
diff --git a/roles/sys-ctl-hlth-webserver/tasks/01_core.yml b/roles/sys-ctl-hlth-webserver/tasks/01_core.yml
index ab5240e5..9436fc24 100644
--- a/roles/sys-ctl-hlth-webserver/tasks/01_core.yml
+++ b/roles/sys-ctl-hlth-webserver/tasks/01_core.yml
@@ -23,7 +23,7 @@
     system_service_tpl_exec_start: > 
       {{ system_service_script_exec }}
       --web-protocol {{ WEB_PROTOCOL }}
-      --expectations '{{ applications | web_health_expectations(www_enabled=WWW_REDIRECT_ENABLED, group_names=group_names) | to_json }}'
+      --expectations '{{ applications | web_health_expectations(www_enabled=WWW_REDIRECT_ENABLED | bool, group_names=group_names) | to_json }}'
     system_service_suppress_flush:        true # The healthcheck will just work after all routines passed
 
 - include_tasks: utils/run_once.yml
diff --git a/tasks/stages/01_constructor.yml b/tasks/stages/01_constructor.yml
index de4c3dd7..7612805e 100644
--- a/tasks/stages/01_constructor.yml
+++ b/tasks/stages/01_constructor.yml
@@ -90,7 +90,7 @@
             items2dict(key_name='source', value_name='source'),
             recursive=True
           )) |
-          generate_all_domains(WWW_REDIRECT_ENABLED)
+          generate_all_domains(WWW_REDIRECT_ENABLED | bool)
         }}
 
   - name: Merge networks definitions