diff --git a/lib/opencv.js b/lib/opencv.js
index 949137c..48a4284 100755
--- a/lib/opencv.js
+++ b/lib/opencv.js
@@ -130,7 +130,7 @@ videostream.read = function(){
   var frame = function(){
     self.video.read(function(mat){
       self.emit('data', mat)
-      if (!this.paused){
+      if (!self.paused){
         process.nextTick(frame)
       }