diff --git a/flatisfy/models/flat.py b/flatisfy/models/flat.py
index 127b007..7e3c3c3 100644
--- a/flatisfy/models/flat.py
+++ b/flatisfy/models/flat.py
@@ -157,6 +157,8 @@ class Flat(BASE):
         """
         Photos validation method
         """
+        if not photos:
+            photos = []
         for photo in photos:
             try:
                 # Remove computed hash to avoid storing it in db