diff --git a/app/models/environment.rb b/app/models/environment.rb
index 66a8e5c..078c29a 100644
--- a/app/models/environment.rb
+++ b/app/models/environment.rb
@@ -337,20 +337,22 @@ class Environment < ActiveRecord::Base
     features.delete_if{ |k, v| !self.enabled?(k) }
   end
 
+  DEFAULT_FEATURES = %w(
+    disable_asset_products
+    disable_gender_icon
+    products_for_enterprises
+    disable_select_city_for_contact
+    enterprise_registration
+    media_panel
+    organizations_are_moderated_by_default
+    show_balloon_with_profile_links_when_clicked
+    show_zoom_button_on_article_images
+    use_portal_community
+  )
+
   before_create :enable_default_features
   def enable_default_features
-    %w(
-      disable_asset_products
-      disable_gender_icon
-      products_for_enterprises
-      disable_select_city_for_contact
-      enterprise_registration
-      media_panel
-      organizations_are_moderated_by_default
-      show_balloon_with_profile_links_when_clicked
-      show_zoom_button_on_article_images
-      use_portal_community
-    ).each do |feature|
+    DEFAULT_FEATURES.each do |feature|
       enable(feature, false)
     end
   end
diff --git a/db/migrate/20140408172149_enable_show_zoom_button_on_article_images.rb b/db/migrate/20140408172149_enable_show_zoom_button_on_article_images.rb
new file mode 100644
index 0000000..0aef413
--- /dev/null
+++ b/db/migrate/20140408172149_enable_show_zoom_button_on_article_images.rb
@@ -0,0 +1,11 @@
+class EnableShowZoomButtonOnArticleImages < ActiveRecord::Migration
+  def self.up
+    Environment.find_each do |environment|
+      environment.enable(:show_zoom_button_on_article_images) 
+    end
+  end
+
+  def self.down
+    say("This migration is irreversible.")
+  end
+end
diff --git a/test/unit/environment_test.rb b/test/unit/environment_test.rb
index f942e69..76981df 100644
--- a/test/unit/environment_test.rb
+++ b/test/unit/environment_test.rb
@@ -53,6 +53,13 @@ class EnvironmentTest < ActiveSupport::TestCase
     assert !v.enabled?('feature1') && !v.enabled?('feature2') && !v.enabled?('feature3')
   end
 
+  def test_default_enabled_features_are_enabled
+    environment = Environment.create(:name => 'Testing')
+    Environment::DEFAULT_FEATURES.each do |features|
+      assert environment.enabled?(features)
+    end
+  end
+
   def test_name_is_mandatory
     v = Environment.new
     v.valid?
--
libgit2 0.21.2