diff --git a/libs/ui/source/painter_impl.cpp b/libs/ui/source/painter_impl.cpp
index 0e36bee9..e425fce5 100644
--- a/libs/ui/source/painter_impl.cpp
+++ b/libs/ui/source/painter_impl.cpp
@@ -20,7 +20,7 @@ out vec4 color;
 
 void main()
 {
-	gl_Position = u_transform * vec4(in_position, float(in_depth) / 16777216.0 * 2.0 - 1.0, 1.0);
+	gl_Position = u_transform * vec4(in_position, 1.0 - float(in_depth) / 16777216.0 * 2.0, 1.0);
 	color = in_color;
 }
 )";