diff --git a/build/lib/dist/smack.jar b/build/lib/dist/smack.jar
index 0cd4969e..4a27311c 100644
Binary files a/build/lib/dist/smack.jar and b/build/lib/dist/smack.jar differ
diff --git a/build/lib/dist/smackx-debug.jar b/build/lib/dist/smackx-debug.jar
index 3f7976f1..04c946a3 100644
Binary files a/build/lib/dist/smackx-debug.jar and b/build/lib/dist/smackx-debug.jar differ
diff --git a/build/lib/dist/smackx.jar b/build/lib/dist/smackx.jar
index 5e7c2186..302a7a7f 100644
Binary files a/build/lib/dist/smackx.jar and b/build/lib/dist/smackx.jar differ
diff --git a/src/java/org/jivesoftware/spark/ui/ContactGroupTransferHandler.java b/src/java/org/jivesoftware/spark/ui/ContactGroupTransferHandler.java
index ac730c5d..e1ee1b22 100644
--- a/src/java/org/jivesoftware/spark/ui/ContactGroupTransferHandler.java
+++ b/src/java/org/jivesoftware/spark/ui/ContactGroupTransferHandler.java
@@ -50,6 +50,9 @@ public class ContactGroupTransferHandler extends TransferHandler {
 
         JList list = (JList)comp;
         ContactGroup group = getContactGroup(list);
+        if(group == null){
+            return false;
+        }
         if ((group.isSharedGroup() && !flavor[0].equals(DataFlavor.javaFileListFlavor)) || group.isUnfiledGroup() || group.isOfflineGroup() || (!group.hasAvailableContacts() && flavor[0].equals(DataFlavor.javaFileListFlavor))) {
             return false;
         }