diff --git a/runtime/shaders/text.v.glsl b/runtime/shaders/text.v.glsl
index fe234d0..c0501dc 100644
--- a/runtime/shaders/text.v.glsl
+++ b/runtime/shaders/text.v.glsl
@@ -8,9 +8,9 @@ varying vec2 texture_coord_v;
 void main(void)
 {
     // Map coordinates such that:
-    // (-0.5 .. screen_size.x-0.5) => (-1.0 .. 1.0)
-    gl_Position = vec4(2.0 * (position.x + coords.x + 0.5) / screen_size.x - 1.0,
-                       2.0 * (position.y + coords.y + 0.5) / screen_size.y - 1.0,
+    // (0 .. screen_size.x) => (-1.0 .. 1.0)
+    gl_Position = vec4(2.0 * (position.x + coords.x) / screen_size.x - 1.0,
+                       2.0 * (position.y + coords.y) / screen_size.y - 1.0,
                        0, 1);
     texture_coord_v = coords.zw;
 }