--- test/test.rb	2006-09-17 14:32:52.000000000 -0400
+++ test/test.rb	2015-03-23 11:18:00.000000000 -0400
@@ -21,5 +21,5 @@
     obuff = ' ' * 256
     (0..255).each do |x|
-      obuff[x] = x
+      obuff[x] = x.chr
     end
     nbuff = nil