diff --git a/ext/.document b/ext/.document
index f2fa5b5ba2..0efd511a61 100644
--- a/ext/.document
+++ b/ext/.document
@@ -29,8 +29,7 @@ fiddle/pinned.c
 fiddle/pointer.c
 fiddle/handle.c
 fiddle/lib
-io/console/console.c
-io/console/lib
+io/console/
 io/nonblock/nonblock.c
 io/wait/wait.c
 json/generator/generator.c
diff --git a/ext/io/console/.document b/ext/io/console/.document
new file mode 100644
index 0000000000..945a377256
--- /dev/null
+++ b/ext/io/console/.document
@@ -0,0 +1,2 @@
+console.c
+lib/size.rb