diff --git a/ruby/sfml-window/extconf.rb b/ruby/sfml-window/extconf.rb
new file mode 100644
index 00000000..410235d4
--- /dev/null
+++ b/ruby/sfml-window/extconf.rb
@@ -0,0 +1,5 @@
+require 'mkmf'
+
+dir_config("window")
+have_library("sfml-window") 
+create_makefile("sfml/window", "window")