diff --git a/db/migrate/050_add_public_column_to_articles_and_profiles.rb b/db/migrate/050_add_public_column_to_articles_and_profiles.rb
index 18de6b3..0f3a8fe 100644
--- a/db/migrate/050_add_public_column_to_articles_and_profiles.rb
+++ b/db/migrate/050_add_public_column_to_articles_and_profiles.rb
@@ -1,6 +1,8 @@
 class AddPublicColumnToArticlesAndProfiles < ActiveRecord::Migration
   def self.up
     add_column :profiles, :public_profile, :boolean, :default => true
+    execute("update profiles set public_profile = (1>0) where data not like '%public_profile: false%'")
+
     add_column :articles, :public_article, :boolean, :default => true
     add_column :article_versions, :public_article, :boolean, :default => true
   end
diff --git a/db/migrate/051_add_edit_appearance_permission.rb b/db/migrate/051_add_edit_appearance_permission.rb
index 0b4eaa6..77497fd 100644
--- a/db/migrate/051_add_edit_appearance_permission.rb
+++ b/db/migrate/051_add_edit_appearance_permission.rb
@@ -1,14 +1,14 @@
 class AddEditAppearancePermission < ActiveRecord::Migration
 
   def self.up
-    [ Profile::Roles.admin, Environment::Roles.admin].each do |item|
+    [ Profile::Roles.admin, Environment::Roles.admin].compact.each do |item|
       item.permissions += [ 'edit_appearance' ]
       item.save!
     end
   end
 
   def self.down
-    [ Profile::Roles.admin, Environment::Roles.admin].each do |item|
+    [ Profile::Roles.admin, Environment::Roles.admin].compact.each do |item|
       item.permissions -= [ 'edit_appearance' ]
       item.save!
     end
--
libgit2 0.21.2