Index: Slim/Web/Setup.pm
===================================================================
--- Slim/Web/Setup.pm	(revision 2439)
+++ Slim/Web/Setup.pm	(working copy)
@@ -1247,7 +1247,11 @@
 				my %plugins = map {$_ => 1} Slim::Utils::Prefs::getArray('disabledplugins');
 				my $pluginlistref = Slim::Buttons::Plugins::installedPlugins();
 
-				foreach my $plugin (sort {string($pluginlistref->{$a}) cmp string($pluginlistref->{$b})}(keys %{$pluginlistref})) {	
+				for my $plugin (keys %{$pluginlistref}) {
+					$pluginlistref->{$plugin} = string($pluginlistref->{$plugin}) || $plugin;
+				}
+
+				foreach my $plugin (sort {$pluginlistref->{$a} cmp $pluginlistref->{$b}} (keys %{$pluginlistref})) {	
 					
 					if ((exists $paramref->{"pluginlist$i"} && $paramref->{"pluginlist$i"} == (exists $plugins{$plugin} ? 0 : 1))) {
 						delete $paramref->{"pluginlist$i"};
@@ -1272,8 +1276,12 @@
 
 				my $pluginlistref = Slim::Buttons::Plugins::installedPlugins();
 
+				for my $plugin (keys %{$pluginlistref}) {
+					$pluginlistref->{$plugin} = string($pluginlistref->{$plugin}) || $plugin;
+				}
+
 				no strict 'refs';
-				foreach my $plugin (sort {string($pluginlistref->{$a}) cmp string($pluginlistref->{$b})}(keys %{$pluginlistref})) {
+				foreach my $plugin (sort {$pluginlistref->{$a} cmp $pluginlistref->{$b}} (keys %{$pluginlistref})) {
 
 					if ($paramref->{"pluginlist$i"} && UNIVERSAL::can("Plugins::$plugin","initPlugin")) {
 						&{"Plugins::" . $plugin . "::initPlugin"};