diff --git a/src/vorta/scheduler.py b/src/vorta/scheduler.py
index 5fb26f1cb..58d7e3770 100644
--- a/src/vorta/scheduler.py
+++ b/src/vorta/scheduler.py
@@ -38,7 +38,7 @@ def set_timer_for_profile(self, profile_id):
         """
         Set a timer for next scheduled backup run of this profile.
 
-        Does nothing if set to manual backups or no repo is assigned.
+        Removes existing jobs if set to manual only or no repo is assigned.
 
         Else will look for previous scheduled backups and catch up if
         schedule_make_up_missed is enabled.
@@ -47,19 +47,24 @@ def set_timer_for_profile(self, profile_id):
         next suitable backup time.
         """
         profile = BackupProfileModel.get_or_none(id=profile_id)
-        if profile is None \
-                or profile.repo is None \
-                or profile.schedule_mode == 'off':
+        if profile is None:  # profile doesn't exist any more.
             return
 
-        logger.info('Setting new timer for profile %s', profile_id)
+        # First stop and remove any existing timer for this profile
         self.lock.acquire()
-
-        # Stop and remove any existing timer for this profile
         if profile_id in self.timers:
             self.timers[profile_id]['qtt'].stop()
             del self.timers[profile_id]
 
+        # If no repo is set or only manual backups, just return without
+        # replacing the job we removed above.
+        if profile.repo is None or profile.schedule_mode == 'off':
+            logger.debug('Scheduler for profile %s is disabled.', profile_id)
+            self.lock.release()
+            return
+
+        logger.info('Setting timer for profile %s', profile_id)
+
         last_run_log = EventLogModel.select().where(
             EventLogModel.subcommand == 'create',
             EventLogModel.category == 'scheduled',