1 files changed, 1 insertions, 0 deletions
diff --git a/lib/test/unit.rb b/lib/test/unit.rb
index 05897aa260..79514dda43 100644
--- a/lib/test/unit.rb
+++ b/lib/test/unit.rb
@@ -396,6 +396,7 @@ module Test
       end
 
       def del_status_line
+        @status_line_size ||= 0
         return unless @options[:job_status] == :replace
         print "\r"+" "*@status_line_size+"\r"
         $stdout.flush