diff --git a/Makefile b/Makefile
index 2e21a83..b12ac95 100644
--- a/Makefile
+++ b/Makefile
@@ -21,6 +21,9 @@ clean:
 run:
 	-$(shell Xephyr :3 -screen 1920x1080 &)
 
+run_multiple_screen:
+	-$(shell Xephyr :3 -screen 1920x1080 -screen 1920x1080 +xinerama &)
+
 wm: $(TARGET_NAME)
 	DISPLAY=:3 $(TARGET)