diff --git a/js/dialogs/ImportPanel.js b/js/dialogs/ImportPanel.js
index 1326a44..43aeba9 100644
--- a/js/dialogs/ImportPanel.js
+++ b/js/dialogs/ImportPanel.js
@@ -150,7 +150,7 @@ Zarafa.plugins.contactimporter.dialogs.ImportPanel = Ext.extend(Ext.Panel, {
 		if (!Ext.isEmpty(inbox.subStores) && inbox.subStores.folders.totalLength > 0) {
 			for (var i = 0; i < inbox.subStores.folders.totalLength; i++) {
 				var folder = inbox.subStores.folders.getAt(i);
-				if (folder.get("container_class") == "IPF.Contact") {
+				if (!Ext.isEmpty(folder) && folder.get("container_class") == "IPF.Contact") {
 					if (asDropdownStore) {
 						allFolders.push([
 							folder.get("entryid"),
@@ -171,7 +171,7 @@ Zarafa.plugins.contactimporter.dialogs.ImportPanel = Ext.extend(Ext.Panel, {
 		if (!Ext.isEmpty(pub.subStores) && pub.subStores.folders.totalLength > 0) {
 			for (var j = 0; j < pub.subStores.folders.totalLength; j++) {
 				var folder = pub.subStores.folders.getAt(j);
-				if (folder.get("container_class") == "IPF.Contact") {
+				if (!Ext.isEmpty(folder) && folder.get("container_class") == "IPF.Contact") {
 					if (asDropdownStore) {
 						allFolders.push([
 							folder.get("entryid"),