diff --git a/CHANGES.md b/CHANGES.md
index beea071d..3384bb88 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,4 +1,4 @@
-### 0.13.0 (2016-xx-xx xx:xx:xx UTC)
+### 0.13.0 (2017-xx-xx xx:xx:xx UTC)
 
 * Change don't fetch caps for disabled nzb providers
 * Change recent search to use centralised title and URL parser for newznab
@@ -134,6 +134,7 @@
 * Add restriction to allow only same release group for repacks
 * Change try all episode names with 'real', 'repack', 'proper'
 * Add tip to search settings/media search about improved matching with optional regex library
+* Change use value of "Update shows during hour" in General Settings straight after it is saved instead of after restart
 
 
 [develop changelog]
diff --git a/sickbeard/scheduler.py b/sickbeard/scheduler.py
index 5403e4bf..562188fa 100644
--- a/sickbeard/scheduler.py
+++ b/sickbeard/scheduler.py
@@ -39,6 +39,7 @@ class Scheduler(threading.Thread):
         self.name = threadName
         self.silent = silent
         self.stop = threading.Event()
+        self.lock = threading.Lock()
         self.force = False
 
     def timeLeft(self):
diff --git a/sickbeard/webserve.py b/sickbeard/webserve.py
index 8f4ea32c..9d63ae71 100644
--- a/sickbeard/webserve.py
+++ b/sickbeard/webserve.py
@@ -4809,6 +4809,11 @@ class ConfigGeneral(Config):
         sickbeard.LAUNCH_BROWSER = config.checkbox_to_value(launch_browser)
         sickbeard.UPDATE_SHOWS_ON_START = config.checkbox_to_value(update_shows_on_start)
         sickbeard.SHOW_UPDATE_HOUR = config.minimax(show_update_hour, 3, 0, 23)
+        try:
+            with sickbeard.showUpdateScheduler.lock:
+                sickbeard.showUpdateScheduler.start_time = datetime.time(hour=sickbeard.SHOW_UPDATE_HOUR)
+        except (StandardError, Exception) as e:
+            logger.log('Could not change Show Update Scheduler time: %s' % ex(e), logger.ERROR)
         sickbeard.TRASH_REMOVE_SHOW = config.checkbox_to_value(trash_remove_show)
         sickbeard.TRASH_ROTATE_LOGS = config.checkbox_to_value(trash_rotate_logs)
         if not config.change_LOG_DIR(log_dir, web_log):