diff --git a/index.js b/index.js
index 51315b3..064db9b 100644
--- a/index.js
+++ b/index.js
@@ -38,7 +38,7 @@ class TabGroup extends EventEmitter {
             viewClass: args.viewClass || "etabs-view",
             closeButtonText: args.closeButtonText || "✖",
             newTab: args.newTab,
-            newTabButtonText: args.newTabButton || "＋",
+            newTabButtonText: args.newTabButtonText || "＋",
             ready: args.ready
         };
         this.tabContainer = document.querySelector(options.tabContainerSelector);