diff --git a/tg_marketing/__manifest__.py b/tg_marketing/__manifest__.py
index 3e6b470..c845941 100644
--- a/tg_marketing/__manifest__.py
+++ b/tg_marketing/__manifest__.py
@@ -18,6 +18,6 @@
         "views/contact_views.xml",
         "wizard/marketing_answer_merge_views.xml",
     ],
-    "demo": [],
+    "demo": ["data/event_question_demo.xml"],
     "qweb": [],
 }
diff --git a/tg_marketing/controllers/main.py b/tg_marketing/controllers/main.py
index 6fc61b0..9185d1f 100644
--- a/tg_marketing/controllers/main.py
+++ b/tg_marketing/controllers/main.py
@@ -6,7 +6,8 @@
 class WebsiteEventMarketing(WebsiteEventController):
     @route()
     def registration_confirm(self, event, **post):
-        res = super().registration_confirm(event, **post)
+        filtered_post = {k: v for k, v in post.items() if "marketing_answer" not in k}
+        res = super().registration_confirm(event, **filtered_post)
 
         MarketingAnswers = request.env["res.partner.marketing.answer"].sudo()
         partner_marketing_vals = {}
diff --git a/tg_marketing/data/event_question_demo.xml b/tg_marketing/data/event_question_demo.xml
new file mode 100644
index 0000000..c9178ef
--- /dev/null
+++ b/tg_marketing/data/event_question_demo.xml
@@ -0,0 +1,5 @@
+<odoo>
+    <record id="website_event.event_7_question_1" model="event.question">
+        <field name="event_id" eval="False" />
+    </record>
+</odoo>
diff --git a/tg_marketing/views/event_templates.xml b/tg_marketing/views/event_templates.xml
index 83c155e..c7ea950 100644
--- a/tg_marketing/views/event_templates.xml
+++ b/tg_marketing/views/event_templates.xml
@@ -14,7 +14,7 @@
 
             <t t-if="marketing_questions">
                 <div
-                    class="modal-body bg-light border-bottom o_wevent_registration_question_global"
+                    class="modal-body bg-white border-bottom o_wevent_registration_question_global"
                 >
                     <div t-foreach="marketing_questions" t-as="question" class="row">
                         <div class="col-lg-6 mt-2">
@@ -49,7 +49,7 @@
         <select
             t-attf-name="marketing_answer-#{registration_index}-#{question.field_name}"
             t-attf-data-name="marketing_answer-#{registration_index}-#{question.field_name}"
-            class="custom-select marketing-question-select"
+            class="form-select marketing-question-select"
             required="true"
         >
             <t t-foreach="question.canned_answers" t-as="answer">