diff --git a/samples/widgets/widgets.bkl b/samples/widgets/widgets.bkl
index 289b81c5e4..2d1768b779 100644
--- a/samples/widgets/widgets.bkl
+++ b/samples/widgets/widgets.bkl
@@ -22,7 +22,7 @@
             notebook.cpp
             odcombobox.cpp
             radiobox.cpp
-	    searchctrl.cpp
+            searchctrl.cpp
             slider.cpp
             spinbtn.cpp
             static.cpp