diff --git a/shaders/module/vertex_warp.vert b/shaders/module/vertex_warp.vert
index 63d9d4c..5296b0c 100644
--- a/shaders/module/vertex_warp.vert
+++ b/shaders/module/vertex_warp.vert
@@ -5,7 +5,7 @@ vec4 vertex_warp() {
 	float mod = pixelSize * vWarp;
 	vec2 screen = vec2(viewWidth / mod, viewHeight / mod);
 	vec4 position = gbufferModelViewInverse * gl_ModelViewMatrix * gl_Vertex;
-	vec2 nearest = round(position.xy, position.w * screen) / screen);
+	vec2 nearest = round(position.xy / position.w * screen) / screen;
 	position.xy = nearest;
 	return (gl_ProjectionMatrix * gbufferModelView * position);
 }