X-Git-Url: https://mop.ddnsfree.com/gitweb/?a=blobdiff_plain;f=web%2Fprefs.js;h=263970ca4d0fb7d130a0b79b40d9071203947c8d;hb=6b4ef168170e40c7580678dcd73fd81b5e95b2e0;hp=415bdc6884d6bdb8df7079c14f3b32a95e79a42e;hpb=42e0c21312ba187cbc966ade7581bffff1f12161;p=brisk.git

diff --git a/web/prefs.js b/web/prefs.js
index 415bdc6..263970c 100644
--- a/web/prefs.js
+++ b/web/prefs.js
@@ -82,15 +82,17 @@ function prefs_apply(prefs_new, is_update, is_volat)
             tra.show_noauth();
         }
 
-        if (prefs.listen != l_list_isol && prefs_new.listen == l_list_isol) {
-            if (standup_data_old != null) {
-                standup_data_notisol = standup_data_old.slice();
+        if (prefs != undefined) {
+            if (prefs.listen != l_list_isol && prefs_new.listen == l_list_isol) {
+                if (standup_data_old != null) {
+                    standup_data_notisol = standup_data_old.slice();
+                }
             }
-        }
-        else if (prefs.listen == l_list_isol && prefs_new.listen != l_list_isol) {
-            if (standup_data_notisol != null) {
-                standup_data_old = standup_data_notisol;
-                standup_data_notisol = null;
+            else if (prefs.listen == l_list_isol && prefs_new.listen != l_list_isol) {
+                if (standup_data_notisol != null) {
+                    standup_data_old = standup_data_notisol;
+                    standup_data_notisol = null;
+                }
             }
         }