1 files changed, 2 insertions, 2 deletions
diff --git a/lib/drb/extservm.rb b/lib/drb/extservm.rb
index b649c9c006..7066f84c65 100644
--- a/lib/drb/extservm.rb
+++ b/lib/drb/extservm.rb
@@ -86,8 +86,8 @@ module DRb
 	@servers[name] = false
       end
       uri = @uri || DRb.uri
-      if RUBY_PLATFORM =~ /mswin32/
-	system("cmd /c start /b #{command} #{uri} #{name}")
+      if RUBY_PLATFORM =~ /mswin32/ && /NT/ =~ ENV["OS"]
+        system(%Q'cmd /c start "ruby" /b #{command} #{uri} #{name}')
       else
 	system("#{command} #{uri} #{name} &")
       end