diff --git a/jme3-networking/src/main/java/com/jme3/network/base/DefaultServer.java b/jme3-networking/src/main/java/com/jme3/network/base/DefaultServer.java
index e95c0f97f..eceaf6d73 100644
--- a/jme3-networking/src/main/java/com/jme3/network/base/DefaultServer.java
+++ b/jme3-networking/src/main/java/com/jme3/network/base/DefaultServer.java
@@ -608,7 +608,7 @@ public class DefaultServer implements Server
             // should always already be closed through all paths that I
             // can conceive... but it doesn't hurt to be sure. 
             for( Endpoint p : channels ) {
-                if( p == null ) 
+                if( p == null || !p.isConnected() ) 
                     continue;
                 p.close();
             }