diff --git a/backend/Property.py b/backend/Property.py
index c01e4353..58909c40 100644
--- a/backend/Property.py
+++ b/backend/Property.py
@@ -592,8 +592,8 @@ class Property:
         :return:
         """
 
-        # if not cleaned:
-        #     raise ValueError("Cleaner does not contain cleaned data")
+        if not cleaned:
+            raise ValueError("Cleaner does not contain cleaned data")
 
         if not self.data:
             raise ValueError("Property does not contain data")