diff --git a/lib/redmine/helpers/gantt.rb b/lib/redmine/helpers/gantt.rb
index fa60a72eb..0e389f8fd 100644
--- a/lib/redmine/helpers/gantt.rb
+++ b/lib/redmine/helpers/gantt.rb
@@ -679,8 +679,10 @@ module Redmine
         params[:pdf].SetY(params[:top])
         params[:pdf].SetX(15)
         char_limit = PDF::MaxCharactorsForSubject - params[:indent]
-        params[:pdf].RDMCell(params[:subject_width]-15, 5, (" " * params[:indent]) +  subject.to_s.sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'), "LR")
-
+        params[:pdf].RDMCell(params[:subject_width] - 15, 5,
+                             (" " * params[:indent]) +
+                               subject.to_s.sub(/^(.{#{char_limit}}[^\s]*\s).*$/, '\1 (...)'),
+                              "LR")
         params[:pdf].SetY(params[:top])
         params[:pdf].SetX(params[:subject_width])
         params[:pdf].RDMCell(params[:g_width], 5, "", "LR")