diff --git a/src/libnm-glib-aux/nm-shared-utils.c b/src/libnm-glib-aux/nm-shared-utils.c
index e2d88af66a..e42e0fe590 100644
--- a/src/libnm-glib-aux/nm-shared-utils.c
+++ b/src/libnm-glib-aux/nm-shared-utils.c
@@ -564,6 +564,12 @@ nm_g_variant_singleton_b(gboolean value)
                  : _variant_singleton_get(g_variant_new_boolean(FALSE));
 }
 
+GVariant *
+nm_g_variant_singleton_s_empty(void)
+{
+    return _variant_singleton_get(g_variant_new_string(""));
+}
+
 static GVariant *
 _variant_singleton_get_array_init(GVariant **p_singleton, const char *variant_type)
 {
diff --git a/src/libnm-glib-aux/nm-shared-utils.h b/src/libnm-glib-aux/nm-shared-utils.h
index 129963f20b..67c3a59b69 100644
--- a/src/libnm-glib-aux/nm-shared-utils.h
+++ b/src/libnm-glib-aux/nm-shared-utils.h
@@ -1505,6 +1505,7 @@ char *nm_utils_str_utf8safe_escape_take(char *str, NMUtilsStrUtf8SafeFlags flags
 
 GVariant *nm_g_variant_singleton_b(gboolean value);
 GVariant *nm_g_variant_singleton_u_0(void);
+GVariant *nm_g_variant_singleton_s_empty(void);
 GVariant *nm_g_variant_singleton_aLsvI(void);
 GVariant *nm_g_variant_singleton_aLsaLsvII(void);
 GVariant *nm_g_variant_singleton_aaLsvI(void);