diff --git a/epan/dissectors/packet-sna.c b/epan/dissectors/packet-sna.c
index 82bd620550..3e506aa7f0 100644
--- a/epan/dissectors/packet-sna.c
+++ b/epan/dissectors/packet-sna.c
@@ -3513,6 +3513,7 @@ proto_reg_handoff_sna(void)
 	dissector_add_uint("llc.dsap", SAP_SNA1, sna_handle);
 	dissector_add_uint("llc.dsap", SAP_SNA2, sna_handle);
 	dissector_add_uint("llc.dsap", SAP_SNA3, sna_handle);
+	dissector_add_uint("llc.dsap", SAP_SNA4, sna_handle);
 	dissector_add_uint("llc.xid_dsap", SAP_SNA_PATHCTRL, sna_xid_handle);
 	dissector_add_uint("llc.xid_dsap", SAP_SNA1, sna_xid_handle);
 	dissector_add_uint("llc.xid_dsap", SAP_SNA2, sna_xid_handle);
diff --git a/epan/llcsaps.h b/epan/llcsaps.h
index 64b76fcb21..4c779a52b9 100644
--- a/epan/llcsaps.h
+++ b/epan/llcsaps.h
@@ -49,6 +49,7 @@
 #define	SAP_HPJD		0xB4
 #define	SAP_VINES1		0xBA
 #define	SAP_VINES2		0xBC
+#define	SAP_SNA4		0xC8
 #define	SAP_NETWARE2		0xE0
 #define	SAP_NETBIOS		0xF0
 #define	SAP_IBMNM		0xF4