diff --git a/app/assets/javascripts/flash.js.coffee b/app/assets/javascripts/flash.js.coffee
index c5c63c5e..d4ac62d9 100644
--- a/app/assets/javascripts/flash.js.coffee
+++ b/app/assets/javascripts/flash.js.coffee
@@ -1,5 +1,6 @@
 $(document).ready ->
-  $('#flash_messages .flash').removeClass('flash').each ->
+  $('#flash_messages .flash, #error_explanation.flash').removeClass('flash').each ->
+    $(this).hide()
     jQuery.gritter.add
       image: "/assets/#{$(this).attr('class')}.png",
       title: $(this).children('h2').text(),
diff --git a/app/controllers/events_controller.rb b/app/controllers/events_controller.rb
index f695dea4..7ca08302 100644
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -39,6 +39,7 @@ class EventsController < InheritedResources::Base
     @event.region = Region.find(params[:event][:region])
 
     if params[:visu]
+      @event.valid?
       render action: :new
       return
     end
@@ -65,6 +66,7 @@ class EventsController < InheritedResources::Base
 
     if params[:visu]
       @event.attributes = event_params
+      @event.valid?
       render action: :edit
       return
     end
diff --git a/app/models/event.rb b/app/models/event.rb
index eac1ade3..87ec7b7c 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -3,11 +3,12 @@ class Event < ActiveRecord::Base
   has_many :notes
   has_one :related_city, foreign_key: :name, primary_key: :city, class_name: City
 
-  validates_presence_of :title, :description, :city, :region, :url, :contact, :submitter
+  validates_presence_of :title, :description, :city, :region, :url, :contact
   validates_format_of :url, with: /https?:\/\//
   validates :contact, email: true
   validates :submitter, email: true
 
+
   default_scope { where moderated: 1 }
 
   scope :past, -> { where('end_time < now()').order(start_time: :desc) }
@@ -28,9 +29,14 @@ class Event < ActiveRecord::Base
   scope :region, -> region { where region: region }
   scope :tag, -> tag { where "tags like ?", "%#{tag}%" }
 
+
   before_validation(on: :create) do
     self.submission_time = Date.today
     self.decision_time = Date.today
+
+    if self.submitter.empty?
+      self.submitter = self.contact
+    end
   end
 
   before_create do
diff --git a/app/views/events/_form.html.haml b/app/views/events/_form.html.haml
index 03745c89..eeb90ceb 100644
--- a/app/views/events/_form.html.haml
+++ b/app/views/events/_form.html.haml
@@ -2,11 +2,10 @@
 
 = form_for @event do |f|
   - if @event.errors.any?
-    #error_explanation
+    #error_explanation.error.flash
       %h2= "#{pluralize(@event.errors.count, "error")} prohibited this event from being saved:"
-      %ul
-        - @event.errors.full_messages.each do |msg|
-          %li= msg
+      - @event.errors.full_messages.each do |msg|
+        %p= msg
 
   - unless @event.id
     = raw markdown.render t '.subtitle'
diff --git a/test/models/event_test.rb b/test/models/event_test.rb
index 70dc1ebb..b6ced751 100644
--- a/test/models/event_test.rb
+++ b/test/models/event_test.rb
@@ -10,24 +10,42 @@ class EventTest < ActiveSupport::TestCase
       city: City.first().name,
       region: Region.first(),
       url: 'http://example.com',
-      contact: 'test@example.com',
-      submitter: 'test@example.com'
+      contact: 'contact@example.com',
+      submitter: 'submitter@example.com'
     )
     assert @event.save(), @event.errors.messages
 
     assert_equal 32, @event.secret.size()
     assert_equal 32, @event.moderator_mail_id.size()
     assert_equal 32, @event.submitter_mail_id.size()
+  end
+
+  test "validations" do
+    @event = Event.new(
+      title: 'hello world',
+      start_time: Time.new(),
+      end_time: Time.new() + 1,
+      description: 'et hop!',
+      city: City.first().name,
+      region: Region.first(),
+      url: 'http://example.com',
+      contact: 'contact@example.com'
+    )
+
+    assert @event.valid?, @event.errors.messages
+    assert_equal @event.contact, @event.submitter
+
+    @event.contact = 'hop@@@'
+    assert !@event.valid?, @event.errors.messages
+
+    @event.contact = 'contact@example.com'
+    assert @event.valid?, @event.errors.messages
 
     # Check invalid url
     @event.url = 'htt://truc.com'
-    assert !@event.valid?
+    assert !@event.valid?, @event.errors.messages
 
     @event.url = 'http:/truc.com'
-    assert !@event.valid?
-
-    @event.contact = 'hop@@@'
-    assert !@event.valid?
+    assert !@event.valid?, @event.errors.messages
   end
-
 end