diff --git a/static/js/homework.js b/static/js/homework.js
index da4fd46..6b36064 100755
--- a/static/js/homework.js
+++ b/static/js/homework.js
@@ -76,7 +76,7 @@ function show_popup(){
     popup = document.getElementById('teacher_popup')
     popup.classList.toggle('hidden')
     popup.onclick = function(e){
-        if e.target == this{
+        if (e.target == this){
             popup.classList.add('hidden')
         }
     }
@@ -257,4 +257,4 @@ $(function(){
       $('html,body').stop().animate({ scrollTop: $('#go_to_textarea').offset().top }, 1000);
       e.preventDefault();
     });
-});
\ No newline at end of file
+});