diff --git a/www/js/draw-scene.js b/www/js/draw-scene.js
index d325b87..6405916 100644
--- a/www/js/draw-scene.js
+++ b/www/js/draw-scene.js
@@ -18,6 +18,12 @@ function drawScene(gl, programInfo, buffers, time) {
     programInfo.uniformLocations.time,
     time,
   );
+  // Viewport resolution in pixels
+  gl.uniform2f(
+    programInfo.uniformLocations.resolution,
+    gl.drawingBufferWidth,
+    gl.drawingBufferHeight,
+  );
 
   {
     const offset = 0;
diff --git a/www/js/webgl-demo.js b/www/js/webgl-demo.js
index 9acbf13..d300cc5 100644
--- a/www/js/webgl-demo.js
+++ b/www/js/webgl-demo.js
@@ -121,7 +121,7 @@ function main() {
       vertexPosition: gl.getAttribLocation(shaderProgram, "aVertexPosition"),
     },
     uniformLocations: {
-      // resolution: context.getUniformLocation(program, "uResolution"),
+      resolution: context.getUniformLocation(program, "uResolution"),
       time: gl.getUniformLocation(shaderProgram, "uTime"),
     },
   };
@@ -141,7 +141,6 @@ function main() {
     // deltaTime = time - prevTime;
     // prevTime = time;
 
-    console.log(time)
     drawScene(gl, programInfo, buffers, time);
     requestAnimationFrame(render);
   }
diff --git a/www/shaders/segfault.glsl b/www/shaders/segfault.glsl
index e252f18..358708b 100644
--- a/www/shaders/segfault.glsl
+++ b/www/shaders/segfault.glsl
@@ -9,6 +9,7 @@ precision highp float;
 #endif
 
 uniform float uTime;
+uniform vec2 uResolution;
 
 /* ==== Text Colouring  ==== */
 #define PHOSPHOR_COL vec4(1, 1., 1., 1.)
@@ -150,9 +151,9 @@ float roundLine(vec2 p, vec2 a, vec2 b) {
 	b -= a + vec2(1.0,0.);
 	p -= a;
     float f = length(p-clamp(dot(p,b)/dot(b,b),0.0,1.0)*b);
-	if (iResolution.y < 320.) // attempt to get rid of aliasing on small resolution
+	if (uResolution.y < 320.) // attempt to get rid of aliasing on small resolution
 		return smoothstep(1.0, 0.9, f);    
-    else if (iResolution.y < 720.)
+    else if (uResolution.y < 720.)
 		return smoothstep(0.75, 0.5, f);    
 	else
 		return smoothstep(1., 0., f);    
@@ -357,12 +358,12 @@ float bloom(vec2 uv2) {
 }
 
 void mainImage(out vec4 fragColor) {       
-   	vec2 uv = vec2(gl_FragCoord.x, iResolution.y - gl_FragCoord.y);
-   	vec2 uvT = ROWCOLS * FONT_SIZE * uv / iResolution.xy;
-   	vec2 uvG = floor(ROWCOLS * uv / iResolution.xy);
-    vec2 uvC = gl_FragCoord/iResolution.xy;
+   	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 uvNoise = gl_FragCoord.xy / iResolution.xy;
+    vec2 uvNoise = gl_FragCoord.xy / uResolution.xy;
     uvNoise = ceil(uvNoise * ROWCOLS) / ROWCOLS;
     
     float val;