diff --git a/jme3-networking/src/main/java/com/jme3/network/base/MessageProtocol.java b/jme3-networking/src/main/java/com/jme3/network/base/MessageProtocol.java
index a8d0d39fd..6751ecc3f 100644
--- a/jme3-networking/src/main/java/com/jme3/network/base/MessageProtocol.java
+++ b/jme3-networking/src/main/java/com/jme3/network/base/MessageProtocol.java
@@ -181,7 +181,7 @@ public class MessageProtocol
             Message m = (Message)obj;
             messages.add(m);
         } catch( IOException e ) {
-            throw new RuntimeException( "Error deserializing object", e );   
+            throw new RuntimeException( "Error deserializing object, clas ID:" + buffer.getShort(0), e );   
         }         
     }
 }