diff --git a/jme3-networking/src/main/java/com/jme3/network/serializing/Serializer.java b/jme3-networking/src/main/java/com/jme3/network/serializing/Serializer.java
index 31d9c2c5ac..2f1fb4f0df 100644
--- a/jme3-networking/src/main/java/com/jme3/network/serializing/Serializer.java
+++ b/jme3-networking/src/main/java/com/jme3/network/serializing/Serializer.java
@@ -353,7 +353,7 @@ public static SerializerRegistration getSerializerRegistration(Class cls, boolea
 
         if (cls.isArray()) return registerClass(cls, arraySerializer);
 
-        if (Serializable.class.isAssignableFrom(cls)) { 
+        if (java.io.Serializable.class.isAssignableFrom(cls)) { 
             return getExactSerializerRegistration(java.io.Serializable.class);
         }