diff --git a/js/button.js b/js/button.js
index dba747c3a..16e500c8d 100644
--- a/js/button.js
+++ b/js/button.js
@@ -41,10 +41,10 @@
 
       if (state == 'loadingText') {
         this.isLoading = true
-        $el.addClass(d).attr(d, d)
+        $el.addClass(d).attr(d, d).prop(d, true)
       } else if (this.isLoading) {
         this.isLoading = false
-        $el.removeClass(d).removeAttr(d)
+        $el.removeClass(d).removeAttr(d).prop(d, false)
       }
     }, this), 0)
   }