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Diffstat (limited to 'epan/dissectors/packet-dns.c')
-rw-r--r--epan/dissectors/packet-dns.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/epan/dissectors/packet-dns.c b/epan/dissectors/packet-dns.c
index 4f418ce5d4..e6d72e21e4 100644
--- a/epan/dissectors/packet-dns.c
+++ b/epan/dissectors/packet-dns.c
@@ -5564,7 +5564,7 @@ proto_register_dns(void)
"DNS address resolution settings can be changed in the Name Resolution preferences",
"DNS address resolution settings can be changed in the Name Resolution preferences");
- dns_tsig_dissector_table = register_dissector_table("dns.tsig.mac", "DNS TSIG MAC Dissectors", FT_STRING, BASE_NONE);
+ dns_tsig_dissector_table = register_dissector_table("dns.tsig.mac", "DNS TSIG MAC Dissectors", FT_STRING, BASE_NONE, DISSECTOR_TABLE_NOT_ALLOW_DUPLICATE);
dns_tap = register_tap("dns");
}