diff --git a/moo/mooutils/mooscript/mooscript-value.c b/moo/mooutils/mooscript/mooscript-value.c
index cd2abeed..542bce5f 100644
--- a/moo/mooutils/mooscript/mooscript-value.c
+++ b/moo/mooutils/mooscript/mooscript-value.c
@@ -1616,3 +1616,17 @@ ms_vaprintf (const char *format,
 
     return g_string_free (buffer, FALSE);
 }
+
+
+GType
+ms_value_get_type (void)
+{
+    static GType type;
+
+    if (!type)
+        type = g_boxed_type_register_static ("MSValue",
+                                             (GBoxedCopyFunc) ms_value_ref,
+                                             (GBoxedFreeFunc) ms_value_unref);
+
+    return type;
+}
diff --git a/moo/mooutils/mooscript/mooscript-value.h b/moo/mooutils/mooscript/mooscript-value.h
index c11e69d6..c3d9de4c 100644
--- a/moo/mooutils/mooscript/mooscript-value.h
+++ b/moo/mooutils/mooscript/mooscript-value.h
@@ -19,6 +19,9 @@
 G_BEGIN_DECLS
 
 
+#define MS_TYPE_VALUE (ms_value_get_type ())
+
+
 typedef struct _MSValue MSValue;
 typedef struct _MSValueClass MSValueClass;
 typedef struct _MSFunc MSFunc;
@@ -92,6 +95,8 @@ struct _MSValue {
 };
 
 
+GType        ms_value_get_type          (void) G_GNUC_CONST;
+
 void         ms_type_init               (void);
 void         _ms_type_init_builtin      (MSValueClass   *types);