diff --git a/tracks/app/models/context.rb b/tracks/app/models/context.rb
index ca8f849b..44526134 100644
--- a/tracks/app/models/context.rb
+++ b/tracks/app/models/context.rb
@@ -1,3 +1,8 @@
 class Context < ActiveRecord::Base
     has_many :todo, :dependent => true
+    
+    # Context name must not be empty
+    # and must be less than 255 bytes
+    validates_presence_of :name, :message => "context must have a name"
+    validates_length_of :name, :maximum => 255, :message => "context name must be less than %d"
 end
diff --git a/tracks/app/models/project.rb b/tracks/app/models/project.rb
index 93a309ea..96dc94aa 100644
--- a/tracks/app/models/project.rb
+++ b/tracks/app/models/project.rb
@@ -1,3 +1,8 @@
 class Project < ActiveRecord::Base
     has_many :todo, :dependent => true
+    
+    # Project name must not be empty
+    # and must be less than 255 bytes
+    validates_presence_of :name, :message => "project must have a name"
+    validates_length_of :name, :maximum => 255, :message => "project name must be less than %d"
 end