diff --git a/pcap/bpf.h b/pcap/bpf.h
index b2b242b..1c75ae9 100644
--- a/pcap/bpf.h
+++ b/pcap/bpf.h
@@ -867,6 +867,15 @@ struct bpf_version {
  */
 #define DLT_AOS                 222
 
+/*
+ * Wireless HART (Highway Addressable Remote Transducer)
+ * From the HART Communication Foundation
+ * IES/PAS 62591
+ *
+ * From Sam Roberts <vieuxtech@gmail.com>
+ */
+#define DLT_WIHART		223
+
 
 /*
  * DLT and savefile link type values are split into a class and
diff --git a/savefile.c b/savefile.c
index ccb26a4..9efbefb 100644
--- a/savefile.c
+++ b/savefile.c
@@ -693,6 +693,15 @@ static const char rcsid[] _U_ =
  */
 #define LINKTYPE_AOS				222
 
+/*
+ * Wireless HART (Highway Addressable Remote Transducer)
+ * From the HART Communication Foundation
+ * IES/PAS 62591
+ *
+ * From Sam Roberts <vieuxtech@gmail.com>
+ */
+#define LINKTYPE_WIHART				223
+
 
 static struct linktype_map {
 	int	dlt;
@@ -1020,6 +1029,9 @@ static struct linktype_map {
 	/* AOS Space Data Link Protocol */
 	{ DLT_AOS,		LINKTYPE_AOS },
 
+	/* Wireless HART */
+	{ DLT_WIHART,		LINKTYPE_WIHART },
+
 	{ -1,			-1 }
 };