diff -up gnome-shell-extensions-3.8.3/extensions/places-menu/placeDisplay.js.volume gnome-shell-extensions-3.8.3/extensions/places-menu/placeDisplay.js

--- gnome-shell-extensions-3.8.3/extensions/places-menu/placeDisplay.js.volume	2013-06-17 15:44:05.558371091 -0400

+++ gnome-shell-extensions-3.8.3/extensions/places-menu/placeDisplay.js	2013-06-17 15:44:12.260417250 -0400

@@ -292,7 +292,8 @@ const PlacesManager = new Lang.Class({

             let volumes = drives[i].get_volumes();

             for(let j = 0; j < volumes.length; j++) {

-                if (volumes[j].get_identifier('class').indexOf('network') >= 0) {

+                let identifier = volumes[j].get_identifier('class');

+                if (identifier && identifier.indexOf('network') >= 0) {

                     networkVolumes.push(volumes[i]);

                 } else {

                     let mount = volumes[j].get_mount();

@@ -308,7 +309,8 @@ const PlacesManager = new Lang.Class({

             if(volumes[i].get_drive() != null)

                 continue;

-            if (volumes[i].get_identifier('class').indexOf('network') >= 0) {

+            let identifier = volumes[j].get_identifier('class');

+            if (identifier && identifier.indexOf('network') >= 0) {

                 networkVolumes.push(volumes[i]);

             } else {

                 let mount = volumes[i].get_mount();