diff --git a/glib/gvariant.c b/glib/gvariant.c
index 8be9ce798..6a9b37c9a 100644
--- a/glib/gvariant.c
+++ b/glib/gvariant.c
@@ -403,11 +403,11 @@ g_variant_get_boolean (GVariant *value)
  * It is an error to call this function with a @value of any type
  * other than %G_VARIANT_TYPE_BYTE.
  *
- * Returns: a #guchar
+ * Returns: a #guint8
  *
  * Since: 2.24
  **/
-NUMERIC_TYPE (BYTE, byte, guchar)
+NUMERIC_TYPE (BYTE, byte, guint8)
 
 /**
  * g_variant_new_int16:
@@ -1105,7 +1105,7 @@ g_variant_lookup_value (GVariant           *dictionary,
  * the appropriate type:
  * - %G_VARIANT_TYPE_INT16 (etc.): #gint16 (etc.)
  * - %G_VARIANT_TYPE_BOOLEAN: #guchar (not #gboolean!)
- * - %G_VARIANT_TYPE_BYTE: #guchar
+ * - %G_VARIANT_TYPE_BYTE: #guint8
  * - %G_VARIANT_TYPE_HANDLE: #guint32
  * - %G_VARIANT_TYPE_DOUBLE: #gdouble
  *
@@ -5042,7 +5042,7 @@ g_variant_valist_get_leaf (const gchar **str,
           return;
 
         case 'y':
-          *(guchar *) ptr = g_variant_get_byte (value);
+          *(guint8 *) ptr = g_variant_get_byte (value);
           return;
 
         case 'n':
@@ -5083,7 +5083,7 @@ g_variant_valist_get_leaf (const gchar **str,
       switch (*(*str)++)
         {
         case 'y':
-          *(guchar *) ptr = 0;
+          *(guint8 *) ptr = 0;
           return;
 
         case 'n':
diff --git a/glib/gvariant.h b/glib/gvariant.h
index 3e1392620..99e2470e9 100644
--- a/glib/gvariant.h
+++ b/glib/gvariant.h
@@ -80,7 +80,7 @@ GVariantClass                   g_variant_classify                      (GVarian
 GLIB_AVAILABLE_IN_ALL
 GVariant *                      g_variant_new_boolean                   (gboolean              value);
 GLIB_AVAILABLE_IN_ALL
-GVariant *                      g_variant_new_byte                      (guchar                value);
+GVariant *                      g_variant_new_byte                      (guint8                value);
 GLIB_AVAILABLE_IN_ALL
 GVariant *                      g_variant_new_int16                     (gint16                value);
 GLIB_AVAILABLE_IN_ALL
@@ -133,7 +133,7 @@ GVariant *                      g_variant_new_fixed_array               (const G
 GLIB_AVAILABLE_IN_ALL
 gboolean                        g_variant_get_boolean                   (GVariant             *value);
 GLIB_AVAILABLE_IN_ALL
-guchar                          g_variant_get_byte                      (GVariant             *value);
+guint8                          g_variant_get_byte                      (GVariant             *value);
 GLIB_AVAILABLE_IN_ALL
 gint16                          g_variant_get_int16                     (GVariant             *value);
 GLIB_AVAILABLE_IN_ALL