diff --git a/tools/cooja/apps/native_gateway/java/se/sics/cooja/plugins/NativeIPGateway.java b/tools/cooja/apps/native_gateway/java/se/sics/cooja/plugins/NativeIPGateway.java
index af1d2985e..53810a35a 100644
--- a/tools/cooja/apps/native_gateway/java/se/sics/cooja/plugins/NativeIPGateway.java
+++ b/tools/cooja/apps/native_gateway/java/se/sics/cooja/plugins/NativeIPGateway.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: NativeIPGateway.java,v 1.3 2008/12/17 12:15:43 fros4943 Exp $
+ * $Id: NativeIPGateway.java,v 1.4 2009/04/23 08:59:22 fros4943 Exp $
  */
 
 package se.sics.cooja.plugins;
@@ -70,6 +70,7 @@ import se.sics.cooja.Plugin;
 import se.sics.cooja.PluginType;
 import se.sics.cooja.Simulation;
 import se.sics.cooja.interfaces.SerialPort;
+import se.sics.cooja.util.StringUtils;
 
 @ClassDescription("Open Native IP Gateway")
 @PluginType(PluginType.MOTE_PLUGIN)
@@ -736,12 +737,11 @@ public class NativeIPGateway implements Plugin {
 
     /* Sanity check outgoing data */
     if (packetData.length < IP_HEADER_LEN) {
-      /*logger.warn("Ignoring small packet: " + packetData.length);*/
+      /*logger.warn("Ignoring small packet:\n" + StringUtils.hexDump(packetData));*/
       return;
     }
     if (packetData[0] != 0x45) {
-      /*logger.warn("Ignoring bad header:" +
-      		" 0x" + Integer.toHexString(packetData[0]&0xFF));*/
+      /*logger.warn("Ignoring bad header:\n" + StringUtils.hexDump(packetData));*/
       return;
     }