diff --git a/deluge/plugins/scheduler/scheduler/data/scheduler.js b/deluge/plugins/scheduler/scheduler/data/scheduler.js
index 23dc1f107..2b3f9001e 100644
--- a/deluge/plugins/scheduler/scheduler/data/scheduler.js
+++ b/deluge/plugins/scheduler/scheduler/data/scheduler.js
@@ -483,7 +483,11 @@ Deluge.ux.ScheduleSelector = Ext.extend(Ext.form.FieldSet, {
             var hourConfig = config[i];
 
             for (var j=0; j < this.daysOfWeek.length; j++) {
-                var cell = this.scheduleCells[this.daysOfWeek[j]][i];
+                if (this.scheduleCells == undefined) {
+                    var cell = hourConfig[j];
+                } else {
+                    var cell = this.scheduleCells[this.daysOfWeek[j]][i];
+                }
                 cell.currentValue = cell.oldValue = hourConfig[j];
                 this.updateCell(cell);
             }