diff --git a/src/systems/shaderlib/VignetteShader.js b/src/systems/shaderlib/VignetteShader.js
index efcf78efc050a02a78db8b2c63cb8545a8308696..997d4711bfabaf9c9fb402968473052567c1d0d4 100644
--- a/src/systems/shaderlib/VignetteShader.js
+++ b/src/systems/shaderlib/VignetteShader.js
@@ -31,8 +31,8 @@ THREE.VignetteShader = {
 
 		"void main() {",
 			"vec4 texel = texture2D( tDiffuse, vUv);",
-			"vec2 uvLeft = (vUv.xy) - vec2(0.25, 0.5);",
-			"vec2 uvRight = (vUv.xy) - vec2(0.75, 0.5);",
+			"vec2 uvLeft = (vUv.xy) - vec2(0.3, 0.5);",
+			"vec2 uvRight = (vUv.xy) - vec2(0.7, 0.5);",
 			"float ratio = resolution.x / resolution.y;",
       "uvLeft.x *= ratio;",
 			"uvRight.x *= ratio;",
@@ -40,8 +40,8 @@ THREE.VignetteShader = {
 			"float lenRight = length(uvRight);",
       "float vignetteLeft = smoothstep(radius, radius-softness, lenLeft);",
 			"float vignetteRight = smoothstep(radius, radius-softness, lenRight);",
-			"vec3 final = mix (texel.rgb, texel.rgb * vignetteLeft, opacity);",
-			"final += mix(texel.rgb, texel.rgb * vignetteRight, opacity);",
+			"float vignette = vignetteLeft + vignetteRight;",
+			"vec3 final = mix (texel.rgb, texel.rgb * vignette, opacity);",
       "gl_FragColor = vec4(final.rgb, 1.0);",
 		"}"