diff --git a/app/models/issue.rb b/app/models/issue.rb
index 6cfe97927..fec0568e3 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -1364,6 +1364,7 @@ class Issue < ActiveRecord::Base
                 "* (CASE WHEN is_closed = #{connection.quoted_true} THEN 100 ELSE COALESCE(done_ratio, 0) END)").to_f
           progress = done / (average * leaves_count)
           p.done_ratio = progress.round
+          p.done_ratio = 100 if p.done_ratio > 100
         end
       end