1 files changed, 2 insertions, 2 deletions
diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index 399ca67559..6bfc73e0d1 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -241,7 +241,7 @@ def install_recursive(srcdir, dest, options = {})
     if dir
       makedirs(d)
     else
-      makedirs(File.dirname(d))
+      makedirs(d[/.*(?=\/)/m])
       if block_given?
         yield src, d, opts
       else
@@ -443,7 +443,7 @@ install?(:local, :comm, :bin, :'bin-comm') do
     trans = proc {|base| base}
   end
   install_recursive(File.join(srcdir, "bin"), bindir) do |src, cmd|
-    cmd = File.join(File.dirname(cmd), RbConfig.expand(trans[File.basename(cmd)]))
+    cmd = cmd.sub(/[^\/]*\z/m) {|n| RbConfig.expand(trans[n])}
 
     shebang = ''
     body = ''