diff --git a/app/models/issue_category.rb b/app/models/issue_category.rb
index 6efec6a..10464e8 100644
--- a/app/models/issue_category.rb
+++ b/app/models/issue_category.rb
@@ -35,7 +35,7 @@ class IssueCategory < ActiveRecord::Base
   # If a category is specified, issues are reassigned to this category
   def destroy(reassign_to = nil)
     if reassign_to && reassign_to.is_a?(IssueCategory) && reassign_to.project == self.project
-      Issue.update_all({:category_id => reassign_to.id}, {:category_id => id})
+      Issue.where({:category_id => id}).update_all({:category_id => reassign_to.id})
     end
     destroy_without_reassign
   end