diff --git a/app/models/modulgruppe.rb b/app/models/modulgruppe.rb
index f7a3fe6..2d06fe4 100755
--- a/app/models/modulgruppe.rb
+++ b/app/models/modulgruppe.rb
@@ -19,8 +19,8 @@ class Modulgruppe < ActiveRecord::Base
   resourcify
   validates :studium_id, :presence => true
   validates :studium, :presence => true
-  validates :name, :presence=>true,:uniqueness =>{:scope => :studium, :message => "Nur einmal je Studium erlaubt"}
-  validates :phase,  :numericality => { :only_integer => true },:inclusion => {:in => [1, 2, 3, 4], :message => "%{value} is not valid, choose phase 1 to 4"}, :presence=>true
+  validates :name, :uniqueness =>{:scope => :studium}, :presence=>true
+  validates :phase,  :inclusion => {:in => [1, 2, 3, 4]}
   validates :typ, :inclusion => {:in => ["Pflicht","Vertiefungspflicht","Wahl"] }
   translates :name,:desc, :versioning =>true,:fallbacks_for_empty_translations => true
 end