diff --git a/samples/widgets/widgets.bkl b/samples/widgets/widgets.bkl
index 4797f86c4f..78882fd567 100644
--- a/samples/widgets/widgets.bkl
+++ b/samples/widgets/widgets.bkl
@@ -4,7 +4,9 @@
- widgets.cpp
+ button.cpp combobox.cpp gauge.cpp listbox.cpp notebook.cpp
+ radiobox.cpp slider.cpp spinbtn.cpp static.cpp textctrl.cpp
+ widgets.cpp
core
widgets.rc