diff --git a/jquery.counterup.js b/jquery.counterup.js
index bc7871f..ad4b00a 100644
--- a/jquery.counterup.js
+++ b/jquery.counterup.js
@@ -59,6 +59,9 @@
 
             // Updates the number until we're done
             var f = function() {
+              if(!$this.data('counterup-nums')){
+                return;
+              }
                 $this.text($this.data('counterup-nums').shift());
                 if ($this.data('counterup-nums').length) {
                     setTimeout($this.data('counterup-func'), $settings.delay);
@@ -80,4 +83,4 @@
 
   };
 
-})( jQuery );
\ No newline at end of file
+})( jQuery );