Index: Slim/Player/ReplayGain.pm
===================================================================
--- Slim/Player/ReplayGain.pm	(revision 10331)
+++ Slim/Player/ReplayGain.pm	(working copy)
@@ -125,7 +125,8 @@
 	}
 	
 	# Check for album and tracknum matches as expected
-	if ($compare_track->album->id && ($compare_track->album->id == $current_track->album->id) && 
+	if ($compare_track->album && $current_track->album &&
+		$compare_track->album->id && ($compare_track->album->id == $current_track->album->id) && 
 		(($current_track->tracknum + $offset) == $compare_track->tracknum)) {
 
 		return 1;