diff --git a/taiga/webhooks/serializers.py b/taiga/webhooks/serializers.py
index cb85720e..3525c973 100644
--- a/taiga/webhooks/serializers.py
+++ b/taiga/webhooks/serializers.py
@@ -121,9 +121,8 @@ class HistoryDiffField(Field):
         #      taiga.projects.history.models.HistoryEntry.values_diff()
 
         ret = {}
-
         for key, val in value.items():
-            if key in ["attachments", "custom_attributes"]:
+            if key in ["attachments", "custom_attributes", "description_diff"]:
                 ret[key] = val
             elif key == "points":
                 ret[key] = {k: {"from": v[0], "to": v[1]} for k, v in val.items()}