diff --git a/apps/streaming/java/src/net/i2p/client/streaming/impl/PcapWriter.java b/apps/streaming/java/src/net/i2p/client/streaming/impl/PcapWriter.java
index 13b93ce7c1d25c0db017212bbc07350e1bb1daaa..754ebf28a5ef970288fd89142aa584a820f336a0 100644
--- a/apps/streaming/java/src/net/i2p/client/streaming/impl/PcapWriter.java
+++ b/apps/streaming/java/src/net/i2p/client/streaming/impl/PcapWriter.java
@@ -232,7 +232,7 @@ public class PcapWriter {
         // wireshark wants the seq # in a SYN packet to be one less than the first data packet,
         // so let's set it to 0. ???????????
         if (pkt.isFlagSet(Packet.FLAG_SYNCHRONIZE))
-            seq = 0xffffffff;
+            seq = 0xffffffffL;
         else
             seq = pkt.getSequenceNum();
         DataHelper.writeLong(_fos, 4, seq);