diff --git a/plugins/unifying/lu-common.c b/plugins/unifying/lu-common.c
index 20b486a96..02a03b7c3 100644
--- a/plugins/unifying/lu-common.c
+++ b/plugins/unifying/lu-common.c
@@ -68,7 +68,14 @@ lu_dump_raw (const gchar *title, const guint8 *data, gsize len)
 gchar *
 lu_format_version (const gchar *name, guint8 major, guint8 minor, guint16 build)
 {
-	return g_strdup_printf ("%s%02x.%02x_B%04x", name, major, minor, build);
+	GString *str = g_string_new (NULL);
+	for (guint i = 0; i < 3; i++) {
+		if (g_ascii_isspace (name[i]))
+			continue;
+		g_string_append_c (str, name[i]);
+	}
+	g_string_append_printf (str, "%02x.%02x_B%04x", major, minor, build);
+	return g_string_free (str, FALSE);
 }
 
 static gboolean
diff --git a/plugins/unifying/lu-self-test.c b/plugins/unifying/lu-self-test.c
new file mode 100644
index 000000000..ccf990903
--- /dev/null
+++ b/plugins/unifying/lu-self-test.c
@@ -0,0 +1,56 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2017 Richard Hughes <richard@hughsie.com>
+ *
+ * Licensed under the GNU General Public License Version 2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+
+#include <fwupd.h>
+#include <glib-object.h>
+
+#include "lu-common.h"
+
+static void
+lu_common_func (void)
+{
+	guint8 u8;
+	guint16 u16;
+	g_autofree gchar *ver1 = NULL;
+
+	u8 = lu_buffer_read_uint8 ("12");
+	g_assert_cmpint (u8, ==, 0x12);
+	u16 = lu_buffer_read_uint16 ("1234");
+	g_assert_cmpint (u16, ==, 0x1234);
+
+	ver1 = lu_format_version (" A ", 0x87, 0x65, 0x4321);
+	g_assert_cmpstr (ver1, ==, "A87.65_B4321");
+}
+
+int
+main (int argc, char **argv)
+{
+	g_test_init (&argc, &argv, NULL);
+
+	/* only critical and error are fatal */
+	g_log_set_fatal_mask (NULL, G_LOG_LEVEL_ERROR | G_LOG_LEVEL_CRITICAL);
+
+	/* tests go here */
+	g_test_add_func ("/unifying/common", lu_common_func);
+	return g_test_run ();
+}
diff --git a/plugins/unifying/meson.build b/plugins/unifying/meson.build
index 69153f2e6..dc69e4fa0 100644
--- a/plugins/unifying/meson.build
+++ b/plugins/unifying/meson.build
@@ -53,3 +53,26 @@ executable(
   ],
   c_args : cargs,
 )
+
+if get_option('enable-tests')
+  e = executable(
+    'unifying-self-test',
+    sources : [
+      'lu-self-test.c',
+      'lu-common.c',
+    ],
+    include_directories : [
+      include_directories('../..'),
+      include_directories('../../libfwupd'),
+    ],
+    dependencies : [
+      plugin_deps,
+      gudev,
+    ],
+    link_with : [
+      fwupd,
+    ],
+    c_args : cargs,
+  )
+  test('unifying-self-test', e)
+endif