diff --git a/app/models/issue_status.rb b/app/models/issue_status.rb
index b821df25..5ec6f3cd 100644
--- a/app/models/issue_status.rb
+++ b/app/models/issue_status.rb
@@ -26,7 +26,7 @@ class IssueStatus < ActiveRecord::Base
   validates_format_of :html_color, :with => /^[a-f0-9]*$/i
 
   def before_save
-    IssueStatus.update_all "is_default=false" if self.is_default?
+    IssueStatus.update_all "is_default=#{connection.quoted_false}" if self.is_default?
   end  
   
   # Returns the default status for new issues