diff --git a/pkg/models/listeners.go b/pkg/models/listeners.go
index e06cdebf3..bb2495d76 100644
--- a/pkg/models/listeners.go
+++ b/pkg/models/listeners.go
@@ -673,13 +673,16 @@ func (l *UpdateTaskInSavedFilterViews) Handle(msg *message.Message) (err error)
 	}
 
 	var fallbackTimezone string
-	u, err := user.GetUserByID(s, event.Doer.GetID())
-	if err == nil {
-		fallbackTimezone = u.Timezone
-		// When a link share triggered this event, the user id will be 0, and thus this fails.
-		// Only passing the value along when the user was retrieved successfully ensures the whole handler
-		// does not fail because of that.
-		// When the fallback is empty, it will be handled later anyhow.
+	if event.Doer != nil {
+		var u *user.User
+		u, err = user.GetUserByID(s, event.Doer.GetID())
+		if err == nil {
+			fallbackTimezone = u.Timezone
+			// When a link share triggered this event, the user id will be 0, and thus this fails.
+			// Only passing the value along when the user was retrieved successfully ensures the whole handler
+			// does not fail because of that.
+			// When the fallback is empty, it will be handled later anyhow.
+		}
 	}
 
 	taskBuckets := []*TaskBucket{}