diff --git a/histories/models.py b/histories/models.py
index a64bd1c..7a72ca9 100644
--- a/histories/models.py
+++ b/histories/models.py
@@ -9,6 +9,7 @@ from math import floor
 from xml.etree import ElementTree as ET
 from datetime import datetime
 from django.db import models
+from django.core.exceptions import ValidationError
 import profiles.models as profiles
 from crawl import crawl
 from pinocchio.settings import HISTORY_MIN
@@ -239,7 +240,10 @@ def generate_history(user, start_time):
                     timestamp=datetime.fromtimestamp(timestamp),
                     history=history
                 )
-                new_line.full_clean()
-                new_line.save()
+                try:
+                    new_line.full_clean()
+                    new_line.save()
+                except ValidationError:
+                    pass
 
     return history