diff --git a/src/views/settings.js b/src/views/settings.js
index 580d46acf..3efbd89ac 100644
--- a/src/views/settings.js
+++ b/src/views/settings.js
@@ -60,9 +60,13 @@ angular.module('Application').controller('SettingsController', ['$scope', '$loca
             prettyDay = days.map(function (day) { return $scope.cronDays[parseInt(day, 10)].name.substr(0, 3); }).join(',');
         }
 
-        var prettyHour = hours.map(function (hour) { return $scope.cronHours[parseInt(hour, 10)].name; }).join(',');
+        try {
+            var prettyHour = hours.map(function (hour) { return $scope.cronHours[parseInt(hour, 10)].name; }).join(',');
 
-        return prettyDay + ' at ' + prettyHour;
+            return prettyDay + ' at ' + prettyHour;
+        } catch (error) {
+            return 'Custom pattern';
+        }
     };
 
     $scope.update = {
@@ -254,7 +258,11 @@ angular.module('Application').controller('SettingsController', ['$scope', '$loca
                 } else {
                     $scope.updateSchedule.days = days.map(function (day) { return $scope.cronDays[parseInt(day, 10)]; });
                 }
-                $scope.updateSchedule.hours = hours.map(function (hour) { return $scope.cronHours[parseInt(hour, 10)]; });
+                try {
+                    $scope.updateSchedule.hours = hours.map(function (hour) { return $scope.cronHours[parseInt(hour, 10)]; });
+                } catch (e) {
+                    console.error('Error parsing hour');
+                }
             }
 
             $('#updateScheduleModal').modal('show');