diff --git a/lib/klv.js b/lib/klv.js
index e8123ae..32ed5f5 100644
--- a/lib/klv.js
+++ b/lib/klv.js
@@ -61,6 +61,7 @@ KLVStream.prototype.write = function(data) {
         // Emit the length
         else if (this.state === KLV_STATES.LENGTH) {
             var decodedBER = decodeBER(this.buffer);
+            if (typeof decodedBER.value === 'undefined') { return true; }
             this.buffer = this.buffer.slice(decodedBER.bytesRead);
             this.state = KLV_STATES.VALUE;
             this.valueLength = decodedBER.value; // Record to track the value