diff --git a/js/wrest.js b/js/wrest.js
index c909a6932..8909e2182 100644
--- a/js/wrest.js
+++ b/js/wrest.js
@@ -260,7 +260,7 @@ function wrestSubmit()
                 wrestRequired(el); 
             }
 
-            var array_css = el.className.split(' '); // class 를 공백으로 나눔
+            var array_css = el.className.split(" "); // class 를 공백으로 나눔
 
             el.style.backgroundColor = wrestFldDefaultColor;
 
@@ -348,4 +348,4 @@ function wrestInitialized()
 $(document).ready(function(){
     // onload
     wrestInitialized();
-});
\ No newline at end of file
+});