diff --git a/www/shaders/segfault.glsl b/www/shaders/segfault.glsl
index 358708b..012237c 100644
--- a/www/shaders/segfault.glsl
+++ b/www/shaders/segfault.glsl
@@ -361,9 +361,9 @@ void mainImage(out vec4 fragColor) {
    	vec2 uv = vec2(gl_FragCoord.x, uResolution.y - gl_FragCoord.y);
    	vec2 uvT = ROWCOLS * FONT_SIZE * uv / uResolution.xy;
    	vec2 uvG = floor(ROWCOLS * uv / uResolution.xy);
-    vec2 uvC = gl_FragCoord/uResolution.xy;
+    vec2 uvC = gl_FragCoord.xy / uResolution;
         
-    vec2 uvNoise = gl_FragCoord.xy / uResolution.xy;
+    vec2 uvNoise = uvC;
     uvNoise = ceil(uvNoise * ROWCOLS) / ROWCOLS;
     
     float val;