diff --git a/gtk2_ardour/ardour3_ui_default.conf b/gtk2_ardour/ardour3_ui_default.conf
index 4f04a44708..c9d3ca5248 100644
--- a/gtk2_ardour/ardour3_ui_default.conf
+++ b/gtk2_ardour/ardour3_ui_default.conf
@@ -98,7 +98,7 @@
     <Option name="selected crossfade editor line" value="00dbdbff"/>
     <Option name="selected crossfade editor wave" value="f9ea14a0"/>
     <Option name="selected region base" value="51518aa0"/>
-    <Option name="selected waveform fill" value="51518ac8"/>
+    <Option name="selected waveform fill" value="88c6d8c8"/>
     <Option name="selected waveform outline" value="0f0f0fcc"/>
     <Option name="selection rect" value="e8f4d377"/>
     <Option name="selection" value="636363b2"/>