diff --git a/piwik/indico_piwik/__init__.py b/piwik/indico_piwik/__init__.py
index 893608b..916e61a 100644
--- a/piwik/indico_piwik/__init__.py
+++ b/piwik/indico_piwik/__init__.py
@@ -24,6 +24,19 @@ class PiwikPlugin(IndicoPlugin):
     settings_form = SettingsForm
     query_script = 'piwik.php'
 
+    default_settings = {
+        'enabled': True,
+        'cache_enabled': True,
+        'cache_ttl': 3600,
+        'js_hook_enabled': True,
+        'download_tracking_enabled': True,
+        'server_url': '//127.0.0.1/piwik/',
+        'server_api_url': '//127.0.0.1/piwik/',
+        'use_only_server_url': True,
+        'site_id_general': 1,
+        'site_id_events': 2
+    }
+
     def init(self):
         super(PiwikPlugin, self).init()
         self.connect(signals.event_management_sidemenu, self.add_sidemenu_item)
diff --git a/piwik/indico_piwik/forms.py b/piwik/indico_piwik/forms.py
index 1283bb2..d195782 100644
--- a/piwik/indico_piwik/forms.py
+++ b/piwik/indico_piwik/forms.py
@@ -5,14 +5,14 @@ from MaKaC.i18n import _
 
 
 class SettingsForm(IndicoForm):
-    enabled = BooleanField(_("Enable statistics collection"), default=True)
-    cache_enabled = BooleanField(_("Enable report caching"), default=True)
-    cache_ttl = IntegerField(_("Report caching TTL (seconds)"), default=3600)
-    js_hook_enabled = BooleanField(_("Enable conference and contribution view tracking"), default=True)
-    download_tracking_enabled = BooleanField(_("Enable material download tracking"), default=True)
-    server_url = StringField(_("Piwik general server URL (piwik.php)"), default='//127.0.0.1/piwik/')
-    server_api_url = StringField(_("Piwik API server URL (index.php)"), default='//127.0.0.1/piwik/')
-    use_only_server_url = BooleanField(_("Use only the general URL for all requests"), default=True)
+    enabled = BooleanField(_("Enable statistics collection"))
+    cache_enabled = BooleanField(_("Enable report caching"))
+    cache_ttl = IntegerField(_("Report caching TTL (seconds)"))
+    js_hook_enabled = BooleanField(_("Enable conference and contribution view tracking"))
+    download_tracking_enabled = BooleanField(_("Enable material download tracking"))
+    server_url = StringField(_("Piwik general server URL (piwik.php)"))
+    server_api_url = StringField(_("Piwik API server URL (index.php)"))
+    use_only_server_url = BooleanField(_("Use only the general URL for all requests"))
     server_token = StringField(_("Piwik API token"))
-    site_id_general = StringField(_("Piwik site ID (general)"), default='1')
-    site_id_events = StringField(_("Piwik site ID (events)"), default='2')
+    site_id_general = StringField(_("Piwik site ID (general)"))
+    site_id_events = StringField(_("Piwik site ID (events)"))