diff --git a/Tools/capitalize b/Tools/capitalize
index d49c088c9..a8330d167 100755
--- a/Tools/capitalize
+++ b/Tools/capitalize
@@ -1,5 +1,5 @@
 #!/bin/sh
 # usage: capitalize word
 # write word to stdout w/ first character upcased
-first_char=`echo $1 | sed 's/^\(.\).*/\1/' | tr a-z A-Z`
+first_char=`echo $1 | sed 's/^\(.\).*/\1/' | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 echo ${first_char}`echo $1 | sed 's/^.//'`