Index: /Users/mh/Documents/workspace/Boom/server/Slim/Utils/Misc.pm
===================================================================
--- /Users/mh/Documents/workspace/Boom/server/Slim/Utils/Misc.pm	(revision 22505)
+++ /Users/mh/Documents/workspace/Boom/server/Slim/Utils/Misc.pm	(working copy)
@@ -415,7 +415,7 @@
 
 	$fullpath = pathFromFileURL($fullpath) unless $fullpath =~ m|^/|;
 
-	if (my $rsc = Mac::Resources::FSpOpenResFile($fullpath, 0)) {
+	if (-r $fullpath && (my $rsc = Mac::Resources::FSpOpenResFile($fullpath, 0))) {
 
 		if (my $alis = Mac::Resources::GetIndResource('alis', 1)) {