diff --git a/app/models/issue_priority.rb b/app/models/issue_priority.rb
index a4c93370e..10b81b577 100644
--- a/app/models/issue_priority.rb
+++ b/app/models/issue_priority.rb
@@ -19,7 +19,7 @@ class IssuePriority < Enumeration
   has_many :issues, :foreign_key => 'priority_id'
 
   after_destroy {|priority| priority.class.compute_position_names}
-  after_save {|priority| priority.class.compute_position_names if (priority.saved_change_to_position? && priority.position) || priority.saved_change_to_active?}
+  after_save {|priority| priority.class.compute_position_names if (priority.saved_change_to_position? && priority.position) || priority.saved_change_to_active? || priority.saved_change_to_is_default?}
 
   OptionName = :enumeration_issue_priorities