diff --git a/wireshark/abis_oml.patch b/wireshark/abis_oml.patch
index f48b3e6..2de1610 100644
--- a/wireshark/abis_oml.patch
+++ b/wireshark/abis_oml.patch
@@ -1,20 +1,20 @@
 Index: wireshark/epan/dissectors/Makefile.common
 ===================================================================
---- wireshark.orig/epan/dissectors/Makefile.common	2009-07-12 14:07:53.000000000 +0200
-+++ wireshark/epan/dissectors/Makefile.common	2009-07-12 14:52:09.000000000 +0200
-@@ -472,6 +472,7 @@
+--- wireshark.orig/epan/dissectors/Makefile.common
++++ wireshark/epan/dissectors/Makefile.common
+@@ -473,6 +473,7 @@
+ 	packet-gsm_a_gm.c		\
  	packet-gsm_a_rp.c		\
  	packet-gsm_a_rr.c	\
- 	packet-gsm_abis_ip.c	\
 +	packet-gsm_abis_oml.c	\
+ 	packet-gsm_ipa.c	\
  	packet-gsm_bsslap.c		\
  	packet-gsm_bssmap_le.c	\
- 	packet-gsm_sms.c	\
 Index: wireshark/epan/dissectors/packet-gsm_abis_oml.c
 ===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ wireshark/epan/dissectors/packet-gsm_abis_oml.c	2009-07-12 20:41:18.000000000 +0200
-@@ -0,0 +1,1363 @@
+--- /dev/null
++++ wireshark/epan/dissectors/packet-gsm_abis_oml.c
+@@ -0,0 +1,1365 @@
 +/* packet-abis_oml.c
 + * Routines for packet dissection of GSM A-bis over IP (3GPP TS 12.21)
 + * Copyright 2009 by Harald Welte <laforge@gnumonks.org>
@@ -49,6 +49,7 @@
 +
 +#include <epan/packet.h>
 +#include <epan/emem.h>
++#include <epan/lapd_sapi.h>
 +
 +#include "packet-gsm_abis_oml.h"
 +#include "packet-gsm_a_common.h"
@@ -1377,11 +1378,12 @@
 +	dissector_handle_t abis_oml_handle;
 +
 +	abis_oml_handle = find_dissector("abis_oml");
++	dissector_add("lapd.gsm.sapi", LAPD_GSM_SAPI_OM_PROC, abis_oml_handle);
 +}
 Index: wireshark/epan/dissectors/packet-gsm_abis_oml.h
 ===================================================================
---- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ wireshark/epan/dissectors/packet-gsm_abis_oml.h	2009-07-12 17:18:20.000000000 +0200
+--- /dev/null
++++ wireshark/epan/dissectors/packet-gsm_abis_oml.h
 @@ -0,0 +1,786 @@
 +/* GSM Network Management messages on the A-bis interface
 + * 3GPP TS 12.21 version 8.0.0 Release 1999 / ETSI TS 100 623 V8.0.0 */