diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index 5f7599f817..cd52ce3728 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -344,8 +344,12 @@ def build(bld):
 			else:
 				key = "_".join (['FONT',sizename])
 				fontstyle = " ".join ([basefont,points])
+				
 			font_subst_dict[key] = fontstyle
 
+	# add normal monospace to font dict
+	font_subst_dict['FONT_MONOSPACE_NORMAL'] = 'monospace 10'
+
 	# RC files
 	obj              = bld.new_task_gen('subst')
 	obj.source       = 'ardour3_ui_dark.rc.in'