diff --git a/html/testBotScripts/tictactoe.html b/html/testBotScripts/tictactoe.html
index bc65f9b..2e1fc53 100644
--- a/html/testBotScripts/tictactoe.html
+++ b/html/testBotScripts/tictactoe.html
@@ -68,7 +68,7 @@ function playingAT(cellKey){
     //hide buttons
     var inputs = document.getElementById('grid').getElementsByTagName('input');
     for (var index = 0; index < inputs.length; index++) {
-      inputs[index].setAttribute("class":"hidden");
+      inputs[index].setAttribute("class","hidden");
     }
     
     document.getElementById("playerButtons").setAttribute("class", "hidden");