diff --git a/gtk2_ardour/ardour2_ui_default.conf b/gtk2_ardour/ardour2_ui_default.conf
index 5559cd5b9b..5848bb4d2b 100644
--- a/gtk2_ardour/ardour2_ui_default.conf
+++ b/gtk2_ardour/ardour2_ui_default.conf
@@ -87,8 +87,8 @@
     <Option name="TrimHandle" value="1900ff44"/>
     <Option name="verbose canvas cursor" value="f4f214bc"/>
     <Option name="VestigialFrame" value="00000092"/>
-    <Option name="waveform fill" value="3d4753dc"/>
-    <Option name="waveform outline" value="0f0f0fc8"/>
+    <Option name="waveform fill" value="3d475378"/>
+    <Option name="waveform outline" value="0f0f0fcc"/>
     <Option name="ZeroLine" value="bdbdbd8d"/>
     <Option name="ZoomRect" value="c6d1b26d"/>
   </Canvas>