diff --git a/platypush/backend/http/templates/dashboard.html b/platypush/backend/http/templates/dashboard.html
index 0faeb8d5..cadf6005 100644
--- a/platypush/backend/http/templates/dashboard.html
+++ b/platypush/backend/http/templates/dashboard.html
@@ -19,7 +19,7 @@
     <script type="text/javascript" src="{{ url_for('static', filename='js/assistant.google.js') }}"></script>
     <script type="text/javascript">
         window.websocket_port = {% print(websocket_port) %};
-        window.has_ssl = {% print(has_ssl) %};
+        window.has_ssl = {% print(has_ssl ? 'true' : 'false') %};
 
         {% if token %}
             window.token = '{% print(token) %}';
diff --git a/platypush/backend/http/templates/index.html b/platypush/backend/http/templates/index.html
index 5c8ba50b..5e5589c7 100644
--- a/platypush/backend/http/templates/index.html
+++ b/platypush/backend/http/templates/index.html
@@ -17,7 +17,7 @@
     <script type="text/javascript" src="{{ url_for('static', filename='js/pushbullet.js') }}"></script>
     <script type="text/javascript">
         window.websocket_port = {% print(websocket_port) %}
-        window.has_ssl = {% print(has_ssl) %};
+        window.has_ssl = {% print(has_ssl ? 'true' : 'false') %};
 
         {% if token %}
             window.token = '{% print(token) %}'
diff --git a/platypush/backend/http/templates/map.html b/platypush/backend/http/templates/map.html
index 91cb08cd..ef94359d 100644
--- a/platypush/backend/http/templates/map.html
+++ b/platypush/backend/http/templates/map.html
@@ -18,7 +18,7 @@
     <script type="text/javascript">
         window.db_conf = JSON.parse('{{ utils.to_json(config["db"]) | safe }}');
         window.websocket_port = {{ websocket_port }};
-        window.has_ssl = {% print(has_ssl) %};
+        window.has_ssl = {% print(has_ssl ? 'true' : 'false') %};
         window.map_start = "{{ start }}";
         window.map_end = "{{ end }}";