diff --git a/src/libnm-glib-aux/nm-shared-utils.h b/src/libnm-glib-aux/nm-shared-utils.h
index 05395e9cc4..8fffb7e8a2 100644
--- a/src/libnm-glib-aux/nm-shared-utils.h
+++ b/src/libnm-glib-aux/nm-shared-utils.h
@@ -1482,6 +1482,12 @@ nm_g_variant_is_of_type(GVariant *value, const GVariantType *type)
     return value && g_variant_is_of_type(value, type);
 }
 
+static inline GVariant *
+nm_g_variant_new_ay(const guint8 *data, gsize len)
+{
+    return g_variant_new_fixed_array(G_VARIANT_TYPE_BYTE, data, len, 1);
+}
+
 static inline GVariant *
 nm_g_variant_new_ay_inaddr(int addr_family, gconstpointer addr)
 {