diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index aac1f3a49b..facc129714 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -211,7 +211,7 @@ gtk2_ardour_sources = [
         'shuttle_control.cc',
         'simpleline.cc',
         'simplerect.cc',
-	'soundcloud_export_selector.cc',
+        'soundcloud_export_selector.cc',
         'splash.cc',
         'speaker_dialog.cc',
         'startup.cc',