diff --git a/static/js/assignshift.js b/static/js/assignshift.js
index 307e309..dfccd2c 100644
--- a/static/js/assignshift.js
+++ b/static/js/assignshift.js
@@ -49,7 +49,7 @@ $("#addpersonbtn").click(function () {
 });
 
 function addPerson(p) {
-    p = String.trim(p);
+    p = p.trim();
     if (p == "") {
         return false;
     }