diff --git a/project/frag7.glsl b/project/frag7.glsl
index 6a89560..cacf856 100644
--- a/project/frag7.glsl
+++ b/project/frag7.glsl
@@ -15,6 +15,6 @@ void main() {
     // vec2 uv = 1 - vUV;
     vec2 uv = vUV;
     vec3 c = texture(iTex0, uv).xyz;
-    c = mix(c, 1 - c, write_int(uv * 20, vec2(.25, .25), iFPS, 2));
+    c = mix(c, 1 - c, write_int(uv * 20, vec2(1.), iFPS, 2));
     fragColor = vec4(c, 1);
 }