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-rw-r--r--epan/dissectors/packet-ppp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/epan/dissectors/packet-ppp.c b/epan/dissectors/packet-ppp.c
index e586b73fa8..01612b2d68 100644
--- a/epan/dissectors/packet-ppp.c
+++ b/epan/dissectors/packet-ppp.c
@@ -5417,7 +5417,7 @@ proto_register_ppp(void)
/* subdissector code */
ppp_subdissector_table = register_dissector_table("ppp.protocol",
- "PPP protocol", FT_UINT16, BASE_HEX);
+ "PPP protocol", FT_UINT16, BASE_HEX, DISSECTOR_TABLE_NOT_ALLOW_DUPLICATE);
register_dissector("ppp_hdlc", dissect_ppp_hdlc, proto_ppp);
register_dissector("ppp_lcp_options", dissect_lcp_options, proto_ppp);