diff --git a/data.py b/data.py
index 3a24136..266d3c9 100644
--- a/data.py
+++ b/data.py
@@ -194,6 +194,9 @@ class DataStore:
                 # send notification
                 log.info("Sending to %s: %s" % (destmuc, message))
                 self.linkedBot.push(destmuc, cur.maintainer+", "+message)
+            # ignore unregistered downtimes
+            elif "DOWNTIME" in cur.type:
+                pass
             # General problem
             elif not service and problemCount == 0:
                 message = "fin d'alerte générale sur" \