diff --git a/apps/streaming/java/src/net/i2p/client/streaming/ConnectionPacketHandler.java b/apps/streaming/java/src/net/i2p/client/streaming/ConnectionPacketHandler.java
index 62283ddc6..64e16cffa 100644
--- a/apps/streaming/java/src/net/i2p/client/streaming/ConnectionPacketHandler.java
+++ b/apps/streaming/java/src/net/i2p/client/streaming/ConnectionPacketHandler.java
@@ -5,6 +5,8 @@ import java.util.List;
 import net.i2p.I2PAppContext;
 import net.i2p.I2PException;
 import net.i2p.data.Destination;
+import net.i2p.stat.FrequencyStat;
+import net.i2p.stat.RateStat;
 import net.i2p.util.Log;
 import net.i2p.util.SimpleScheduler;
 import net.i2p.util.SimpleTimer;
@@ -200,7 +202,9 @@ class ConnectionPacketHandler {
                     if (_log.shouldLog(Log.DEBUG)) 
                         _log.debug("immediate ack");
                     con.ackImmediately();
-                    _context.statManager().getFrequency("stream.ack.dup.immediate").eventOccurred();
+                    FrequencyStat fs = _context.statManager().getFrequency("stream.ack.dup.immediate");
+                    if (fs != null)
+                        fs.eventOccurred();
                 } else {
                     final long delay = nextSendTime - now;
                     if (_log.shouldLog(Log.DEBUG)) 
@@ -579,7 +583,9 @@ class ConnectionPacketHandler {
                 if (_log.shouldLog(Log.DEBUG))
                     _log.debug("Ack dup on " + _con + ", but we have sent (" + (_con.getLastSendTime()-_created) + ")");
             }
-            _context.statManager().getRate("stream.ack.dup.sent").addData(sent ? 1 : 0);
+            RateStat rs = _context.statManager().getRate("stream.ack.dup.sent");
+            if (rs != null)
+                rs.addData(sent ? 1 : 0);
         }
     }
 }