diff --git a/src/filters/blur/getMaxBlurKernelSize.js b/src/filters/blur/getMaxBlurKernelSize.js
index 48f8b9f..c9ee7a7 100644
--- a/src/filters/blur/getMaxBlurKernelSize.js
+++ b/src/filters/blur/getMaxBlurKernelSize.js
@@ -2,7 +2,7 @@
 
 var getMaxKernelSize = function(gl)
 {
-    var maxVaryings = ( gl.getParameter(gl.MAX_VARYING_VECTORS) / 2 ) | 0;
+    var maxVaryings = ( gl.getParameter(gl.MAX_VARYING_VECTORS) );
     var kernelSize = 15;
 
     while(kernelSize > maxVaryings)