diff --git a/leaflet.shpfile.js b/leaflet.shpfile.js
index 1b1670c..ddaba44 100644
--- a/leaflet.shpfile.js
+++ b/leaflet.shpfile.js
@@ -10,7 +10,7 @@ L.Shapefile = L.GeoJSON.extend({
     L.Util.setOptions(this, options);
     if (typeof cw !== 'undefined') {
       /*eslint-disable no-new-func*/
-      if (!options.isArrayBufer) {
+      if (!options.isArrayBuffer) {
         this.worker = cw(new Function('data', 'cb', 'importScripts("' + this.options.importUrl + '");shp(data).then(cb);'));
       } else {
         this.worker = cw(new Function('data', 'importScripts("' + this.options.importUrl + '"); return shp.parseZip(data);'));