diff --git a/libgimp/gimpenums.c.tail b/libgimp/gimpenums.c.tail
index 13b6a911c9..fd937076a9 100644
--- a/libgimp/gimpenums.c.tail
+++ b/libgimp/gimpenums.c.tail
@@ -188,7 +188,7 @@ gimp_enums_init (void)
  * This function gives access to the list of enums registered by libgimp.
  * The returned array is static and must not be modified.
  *
- * Returns: (transfer none): an array with type names
+ * Returns: (array length=n_type_names) (transfer none): an array with type names
  *
  * Since: 2.2
  **/
diff --git a/pdb/enumcode.pl b/pdb/enumcode.pl
index c3497ad292..91c5ce29f1 100755
--- a/pdb/enumcode.pl
+++ b/pdb/enumcode.pl
@@ -241,7 +241,7 @@ gimp_enums_init (void)
  * This function gives access to the list of enums registered by libgimp.
  * The returned array is static and must not be modified.
  *
- * Returns: (transfer none): an array with type names
+ * Returns: (array length=n_type_names) (transfer none): an array with type names
  *
  * Since: 2.2
  **/