diff --git a/src/net/ash/HIDToVPADNetworkClient/hid/purejavahid/PureJavaHidDevice.java b/src/net/ash/HIDToVPADNetworkClient/hid/purejavahid/PureJavaHidDevice.java
index 861e5bd..fc96d97 100644
--- a/src/net/ash/HIDToVPADNetworkClient/hid/purejavahid/PureJavaHidDevice.java
+++ b/src/net/ash/HIDToVPADNetworkClient/hid/purejavahid/PureJavaHidDevice.java
@@ -114,6 +114,7 @@ class PureJavaHidDevice implements HidDevice, InputReportListener {
 
     @Override
     public String getProductString() {
+        if(myDevice != null || myDeviceInfo.getProductString() == null) return "";
         return myDeviceInfo.getProductString().trim();
     }