1 files changed, 1 insertions, 1 deletions
diff --git a/tool/file2lastrev.rb b/tool/file2lastrev.rb
index 0ee22da712..58ff354d3d 100755
--- a/tool/file2lastrev.rb
+++ b/tool/file2lastrev.rb
@@ -54,7 +54,7 @@ parser.parse! rescue abort "#{File.basename(Program)}: #{$!}\n#{parser}"
   when :revision_h
     Proc.new {|last, changed, modified, branch, title|
       [
-        "#define RUBY_REVISION \"#{changed[0...10]}\"",
+        "#define RUBY_REVISION #{last.dump}",
         if branch
           e = '..'
           limit = 16