diff --git a/src/context.js b/src/context.js
index 207c582..6c6a04f 100644
--- a/src/context.js
+++ b/src/context.js
@@ -154,7 +154,7 @@ class StreamSerializationContext {
     return output
   }
 
-  getLenght () {
+  getLength () {
     return this.length
   }