Index: Slim/Plugin/PreventStandby/Plugin.pm
===================================================================
--- Slim/Plugin/PreventStandby/Plugin.pm	(revision 20276)
+++ Slim/Plugin/PreventStandby/Plugin.pm	(working copy)
@@ -53,11 +53,11 @@
 
 	for my $client (Slim::Player::Client::clients()) {
 
-		my $playmode = $client->playmode();
+		my $clientmode = Slim::Buttons::Common::mode ($client);
 
-		$log->info(sprintf("Client %s in playmode %s", $client->name, $playmode));
+		$log->info(sprintf("Client %s in clientmode %s", $client->name, $clientmode));
 
-		if ($playmode ne 'stop' && $playmode ne 'pause') {
+		if (Slim::Buttons::Common::mode ($client) !~ /^[off]/i) {
 
 			$log->info("Setting thread execution state");