diff --git a/src/filters/convolution/ConvolutionFilter.js b/src/filters/convolution/ConvolutionFilter.js
index 163a670..9bb60e6 100644
--- a/src/filters/convolution/ConvolutionFilter.js
+++ b/src/filters/convolution/ConvolutionFilter.js
@@ -26,7 +26,7 @@
         // custom uniforms
         {
             matrix:     { type: '1fv', value: new Float32Array(matrix) },
-            texelSize:  { type: '2v', value: { x: 1 / width, y: 1 / height } }
+            texelSize:  { type: 'v2', value: { x: 1 / width, y: 1 / height } }
         }
     );
 }