diff --git a/router/java/src/net/i2p/router/RouterVersion.java b/router/java/src/net/i2p/router/RouterVersion.java
index 4e28a2c8d2676ff98ee569a93ae883ef407d9461..c10128fe6223a59f4fa2320e38c3309487438a87 100644
--- a/router/java/src/net/i2p/router/RouterVersion.java
+++ b/router/java/src/net/i2p/router/RouterVersion.java
@@ -18,7 +18,7 @@ public class RouterVersion {
     /** deprecated */
     public final static String ID = "Monotone";
     public final static String VERSION = CoreVersion.VERSION;
-    public final static long BUILD = 5;
+    public final static long BUILD = 6;
 
     /** for example "-test" */
     public final static String EXTRA = "";
diff --git a/router/java/src/net/i2p/router/transport/ntcp/NTCPConnection.java b/router/java/src/net/i2p/router/transport/ntcp/NTCPConnection.java
index e4f4a3b0ee4bb7b38947664e14a829d0d88e7164..7944bfaa31b99e346b90d9859b6810cdb5bb62cf 100644
--- a/router/java/src/net/i2p/router/transport/ntcp/NTCPConnection.java
+++ b/router/java/src/net/i2p/router/transport/ntcp/NTCPConnection.java
@@ -83,7 +83,7 @@ class NTCPConnection {
     private final Set<FIFOBandwidthLimiter.Request> _bwInRequests;
     private final Set<FIFOBandwidthLimiter.Request> _bwOutRequests;
     private long _establishedOn;
-    private EstablishState _establishState;
+    private volatile EstablishState _establishState;
     private final NTCPTransport _transport;
     private final boolean _isInbound;
     private volatile boolean _closed;
@@ -232,7 +232,7 @@ class NTCPConnection {
     public void setChannel(SocketChannel chan) { _chan = chan; }
     public void setKey(SelectionKey key) { _conKey = key; }
     public boolean isInbound() { return _isInbound; }
-    public synchronized boolean isEstablished() { return _establishState.isComplete(); }
+    public boolean isEstablished() { return _establishState.isComplete(); }
 
     /**
      *  @since IPv6