Index: graphspell-js/dawg.js
==================================================================
--- graphspell-js/dawg.js
+++ graphspell-js/dawg.js
@@ -348,11 +348,11 @@
         console.log("Write DAWG as an indexable binary dictionary");
         this.nBytesArc = Math.floor( (this.nArcVal.toString(2).length + 2) / 8 ) + 1;     // We add 2 bits. See DawgNode.convToBytes()
         this.nBytesOffset = 0;
         this._calcNumBytesNodeAddress();
         this._calcNodesAddress();
-        let this.sByDic = this.oRoot.convToBytes(this.nBytesArc, this.nBytesNodeAddress);
+        this.sByDic = this.oRoot.convToBytes(this.nBytesArc, this.nBytesNodeAddress);
         for (let oNode of this.dMinimizedNodes.values()) {
             this.sByDic += oNode.convToBytes(this.nBytesArc, this.nBytesNodeAddress);
         }
         console.log("Arc values (chars, affixes and tags): " + this.nArcVal);
         console.log("Arc size: "+this.nBytesArc+" bytes, Address size: "+this.nBytesNodeAddress+" bytes");