diff --git a/apps/assets/serializers/asset/web.py b/apps/assets/serializers/asset/web.py
index c6e05f6c0..684fa62ce 100644
--- a/apps/assets/serializers/asset/web.py
+++ b/apps/assets/serializers/asset/web.py
@@ -27,3 +27,9 @@ class WebSerializer(AssetSerializer):
                 'default': 'id=login_button',
             },
         }
+
+    def to_internal_value(self, data):
+        data = data.copy()
+        if data.get('script') in ("", None):
+            data.pop('script', None)
+        return super().to_internal_value(data)