diff --git a/gtk2_ardour/ardour3_ui_default.conf.in b/gtk2_ardour/ardour3_ui_default.conf.in
index a0cde92287..cd948aef59 100644
--- a/gtk2_ardour/ardour3_ui_default.conf.in
+++ b/gtk2_ardour/ardour3_ui_default.conf.in
@@ -131,7 +131,7 @@
     <Option name="selected crossfade editor wave" value="f9ea14a0"/>
     <Option name="selected region base" value="596559ff"/>
     <Option name="selected waveform fill" value="ffa500ff"/>
-    <option name="selected waveform outline" value="0f0f0fcc"/>
+    <Option name="selected waveform outline" value="0f0f0fcc"/>
     <Option name="selection rect" value="e8f4d377"/>
     <Option name="selection" value="636363b2"/>
     <Option name="shuttle" value="6bb620ff"/>