diff --git a/shaders/src/post_process.fs b/shaders/src/post_process.fs
index 23d5493c69..1bc90b7a3d 100644
--- a/shaders/src/post_process.fs
+++ b/shaders/src/post_process.fs
@@ -50,6 +50,8 @@ vec4 PostProcess_AntiAliasing() {
 
     // Next, compute the coordinates of the texel center and its bounding box. There is no need to
     // clamp the min corner since the wrap mode will do it automatically.
+
+    // vertex_uv is already interpolated to pixel center by the GPU
     HIGHP vec2 texelCenter = min(vertex_uv, upperBound);
     HIGHP vec2 texelMaxCorner = min(vertex_uv + halfTexel, upperBound);
     HIGHP vec2 texelMinCorner = vertex_uv - halfTexel;
diff --git a/shaders/src/post_process.vs b/shaders/src/post_process.vs
index 110bebcc75..38449f30d5 100644
--- a/shaders/src/post_process.vs
+++ b/shaders/src/post_process.vs
@@ -17,10 +17,8 @@ void main() {
 #endif
 
 #if POST_PROCESS_ANTI_ALIASING
-    // Account for the texture actual size
-    vertex_uv *= postProcessUniforms.uvScale;
-    // Compute texel center
-    vertex_uv = (floor(vertex_uv) + vec2(0.5, 0.5)) * frameUniforms.resolution.zw;
+    // texel to uv, accounting for the texture actual size
+    vertex_uv *= frameUniforms.resolution.zw * postProcessUniforms.uvScale;
 #endif
 
     gl_Position = position;