diff --git a/neodj.lua b/neodj.lua
index fc3c041..e11c038 100644
--- a/neodj.lua
+++ b/neodj.lua
@@ -7,7 +7,7 @@ function playDisk()
 	disk.playAudio(drive)
 end
 
-if disk.isPresent() and disk.hasAudio() then
+if disk.isPresent(drive) and disk.hasAudio(drive) then
 	playDisk(drive)
 elseif disk.isPresent() then
 	print "Not a music disc"