diff --git a/borgweb/borg/models/repo.py b/borgweb/borg/models/repo.py
index c23489d..08647e0 100644
--- a/borgweb/borg/models/repo.py
+++ b/borgweb/borg/models/repo.py
@@ -11,10 +11,10 @@ class Repo(models.Model):
     last_modified = models.DateTimeField()
     label = models.OneToOneField(Label, on_delete=models.CASCADE, unique=True)
 
-    def warning(self, hours_ago=2):
+    def warning(self, hours_ago=4):
         return not self.latest_archive().start > datetime.utcnow() - timedelta(hours=hours_ago)
 
-    def error(self, hours_ago=4):
+    def error(self, hours_ago=12):
         latest_archive = self.latest_archive()
         if latest_archive is None or not self.archive_after_latest_error():
             return True