diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index 8f0887130f..cc1d9300ad 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -226,7 +226,7 @@ gtk2_ardour_sources = [
         'session_option_editor.cc',
         'sfdb_ui.cc',
         'shuttle_control.cc',
-	'soundcloud_export_selector.cc',
+        'soundcloud_export_selector.cc',
         'splash.cc',
         'speaker_dialog.cc',
         'startup.cc',