diff --git a/index.html b/index.html
index b3ecbdf..1a99f88 100644
--- a/index.html
+++ b/index.html
@@ -313,6 +313,7 @@
     var n_student = 0, n_staff = 0;
     db.forEach(function (s) {
             var host = s[0];
+	    if (host == null) {return;}
             var accept = false;
             if (host.startsWith("GRL") && checkbox["GRL"]) {
                 accept = true;
@@ -320,7 +321,7 @@
                 accept = true;
             } else if (host.startsWith("ML2") && checkbox["ML2"]) {
                 accept = true;
-            } else if (host.startsWith("HSJ")) {
+            } else if (host.startsWith("IML")) {
                 var no = host.substr(4);
                 var candidate = ["01","02","03","04","05","06", 
                                  "11","12","13","14","15","16", 
@@ -382,7 +383,7 @@
     ["GRL", "ML1", "ML2", "IML", "IML-A", "IML-B", "uniq"].forEach(
             function (s) {if($("#"+s).prop("checked")) {query.unshift(s+"=true");}});
     query = query.join('&');
-    window.location.href = "/~tkuro/cgi-bin/attend/call.cgi?"+query+"&excel=true";
+    window.location.href = "https://cs.kwansei.ac.jp/junbi/attend/call.cgi?"+query+"&excel=true";
 }
     </script>
 </body>