diff --git a/dbus.c b/dbus.c
index 1da1468..a6f89df 100644
--- a/dbus.c
+++ b/dbus.c
@@ -94,6 +94,7 @@ static void onGetCapabilities(GDBusConnection * connection,
         builder = g_variant_builder_new(G_VARIANT_TYPE("as"));
         g_variant_builder_add(builder, "s", "actions");
         g_variant_builder_add(builder, "s", "body");
+        g_variant_builder_add(builder, "s", "body-markup");
         value = g_variant_new("(as)", builder);
         g_variant_builder_unref(builder);
         g_dbus_method_invocation_return_value(invocation, value);