diff --git a/sample/tutorial/Makefile b/sample/tutorial/Makefile
index fd6843640..7009d5438 100644
--- a/sample/tutorial/Makefile
+++ b/sample/tutorial/Makefile
@@ -15,6 +15,7 @@ SUBDIRS = helloworld \
 		eventbox \
 		packing \
 		rangewidget \
+		spinbutton \
 		scribble \
 		togglebutton \