diff --git a/src/dbus.c b/src/dbus.c
index 8eea63e8..fb2ba067 100644
--- a/src/dbus.c
+++ b/src/dbus.c
@@ -37,6 +37,17 @@ static void do_debug(const char *str, void *user_data)
 	l_info("%s%s", prefix, str);
 }
 
+void dbus_dict_append_string(struct l_dbus_message_builder *builder,
+				const char *key, const char *strval)
+{
+	l_dbus_message_builder_enter_dict(builder, "sv");
+	l_dbus_message_builder_append_basic(builder, 's', key);
+	l_dbus_message_builder_enter_variant(builder, "s");
+	l_dbus_message_builder_append_basic(builder, 's', strval);
+	l_dbus_message_builder_leave_variant(builder);
+	l_dbus_message_builder_leave_dict(builder);
+}
+
 static void request_name_callback(struct l_dbus_message *message,
 					void *user_data)
 {
diff --git a/src/dbus.h b/src/dbus.h
index 57b6f731..210461c8 100644
--- a/src/dbus.h
+++ b/src/dbus.h
@@ -31,5 +31,8 @@ struct l_dbus;
 
 struct l_dbus *dbus_get_bus(void);
 
+void dbus_dict_append_string(struct l_dbus_message_builder *builder,
+				const char *key, const char *strval);
+
 bool dbus_init(void);
 bool dbus_exit(void);