diff --git a/neodj.lua b/neodj.lua
index 8a19e81..ca46c22 100644
--- a/neodj.lua
+++ b/neodj.lua
@@ -31,7 +31,7 @@ end
 
 if disk.isPresent(drive) and disk.hasAudio(drive) then
 	playDisc(drive)
-elseif disk.isPresent() then
+elseif disk.isPresent(drive) then
 	print "Not a music disc"
 else
 	print "No disc"