diff --git a/rtdata/themes/TooWaBlue-GTK3-20_.css b/rtdata/themes/TooWaBlue-GTK3-20_.css
index 73cc9c58b..ad091b84c 100644
--- a/rtdata/themes/TooWaBlue-GTK3-20_.css
+++ b/rtdata/themes/TooWaBlue-GTK3-20_.css
@@ -1,8 +1,8 @@
 /*
   This file is part of RawTherapee.
 
-  Copyright (c) 2016-2018 TooWaBoo
-  Version 3.02
+  Copyright (c) 2016-2019 TooWaBoo
+  Version 3.03
 
   RawTherapee is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -1204,6 +1204,7 @@ menu {
     border: 0.083333333333333333em solid @accent-color;
     padding: 0.083333333333333333em;
     margin: 0;
+    border-radius: 0;
 }
 menu > arrow.top,
 menu > arrow.top:hover,