diff --git a/tool/make-snapshot b/tool/make-snapshot
index 971dfd861e..eafd2a0cb6 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -207,6 +207,7 @@ def package(rev, destdir)
         f.puts "s,@LIBRUBY_A@,|#_!!_#|liburyb.a,g"
         f.puts "s,@RM@,|#_!!_#|rm -f,g"
         f.puts "s,@CP@,|#_!!_#|cp,g"
+        f.puts "s,@rubyarchdir@,|#_!!_#|,g"
       }
       FileUtils.mkpath(hdrdir = "#{extout}/include/ruby")
       File.open("#{hdrdir}/config.h", "w") {}