diff --git a/src/scenegraph/elevatedrectangle.vert b/src/scenegraph/elevatedrectangle.vert
index 38d65e10..03ca8f80 100644
--- a/src/scenegraph/elevatedrectangle.vert
+++ b/src/scenegraph/elevatedrectangle.vert
@@ -1,34 +1,32 @@
 /*
  * Copyright 2020 Arjen Hiemstra <ahiemstra@heimr.nl>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Library General Public License as
  * published by the Free Software Foundation; either version 2, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Library General Public License for more details
  *
  * You should have received a copy of the GNU Library General Public
  * License along with this program; if not, write to the
  * Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
 uniform highp mat4 matrix;
 uniform lowp vec2 aspect;
 uniform lowp vec2 offset;
 
 attribute highp vec4 in_vertex;
 attribute mediump vec2 in_uv;
 
 varying mediump vec2 uv;
 
 void main() {
-    lowp vec2 topLeft = vec2(-1.0) - abs(offset) / 2.0;
-    lowp vec2 bottomRight = vec2(1.0) + abs(offset) / 2.0;
-    uv = topLeft + (bottomRight - topLeft) * in_uv * aspect;
+    uv = (-1.0 + 2.0 * in_uv) * aspect;
     gl_Position = matrix * in_vertex;
 }