diff --git a/lang/types/type.go b/lang/types/type.go
index 888d268f..5805a353 100644
--- a/lang/types/type.go
+++ b/lang/types/type.go
@@ -31,6 +31,7 @@ package types
 
 import (
 	"fmt"
+	"net"
 	"reflect"
 	"strings"
 
@@ -184,6 +185,14 @@ func ConfigurableTypeOf(t reflect.Type, opts ...TypeOfOption) (*Type, error) {
 		kind = typ.Kind()
 	}
 
+	// Special cases:
+	if reflect.TypeOf(net.HardwareAddr{}) == typ {
+		return &Type{
+			Kind: KindStr,
+		}, nil
+	}
+	// TODO: net/url.URL, time.Duration, etc. Note: avoid net/mail.Address
+
 	switch kind { // match on destination field kind
 	case reflect.Bool:
 		return &Type{
diff --git a/lang/types/value.go b/lang/types/value.go
index cf6a8741..bf49de17 100644
--- a/lang/types/value.go
+++ b/lang/types/value.go
@@ -32,6 +32,7 @@ package types
 import (
 	"errors"
 	"fmt"
+	"net"
 	"reflect"
 	"sort"
 	"strconv"
@@ -111,6 +112,14 @@ func ValueOf(v reflect.Value) (Value, error) {
 		value = value.Elem() // XXX: is this correct?
 	}
 
+	// Special cases:
+	if value.CanInterface() {
+		if v, ok := (value.Interface()).(net.HardwareAddr); ok {
+			return &StrValue{V: v.String()}, nil
+		}
+	}
+	// TODO: net/url.URL, time.Duration, etc. Note: avoid net/mail.Address
+
 	switch kind { // match on destination field kind
 	case reflect.Bool:
 		return &BoolValue{V: value.Bool()}, nil