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Diffstat (limited to 'epan/dissectors/packet-tcp.c')
-rw-r--r--epan/dissectors/packet-tcp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/epan/dissectors/packet-tcp.c b/epan/dissectors/packet-tcp.c
index 56bbdf34e6..5b1b2ff39d 100644
--- a/epan/dissectors/packet-tcp.c
+++ b/epan/dissectors/packet-tcp.c
@@ -6536,7 +6536,7 @@ proto_register_tcp(void)
/* subdissector code */
subdissector_table = register_dissector_table("tcp.port",
- "TCP port", FT_UINT16, BASE_DEC);
+ "TCP port", FT_UINT16, BASE_DEC, DISSECTOR_TABLE_NOT_ALLOW_DUPLICATE);
heur_subdissector_list = register_heur_dissector_list("tcp");
/* Register configuration preferences */