diff --git a/db/migrate/103_set_custom_fields_editable.rb b/db/migrate/103_set_custom_fields_editable.rb
index 465c929ec..937649e61 100644
--- a/db/migrate/103_set_custom_fields_editable.rb
+++ b/db/migrate/103_set_custom_fields_editable.rb
@@ -1,9 +1,9 @@
 class SetCustomFieldsEditable < ActiveRecord::Migration
   def self.up
-    UserCustomField.update_all('editable = false')
+    UserCustomField.update_all("editable = #{CustomField.connection.quoted_false}")
   end
 
   def self.down
-    UserCustomField.update_all('editable = true')
+    UserCustomField.update_all("editable = #{CustomField.connection.quoted_true}")
   end
 end