diff --git a/superset/models/core.py b/superset/models/core.py
index ab3600b2be5aa..6fa394de06cad 100755
--- a/superset/models/core.py
+++ b/superset/models/core.py
@@ -185,6 +185,7 @@ class Database(
         "is_managed_externally",
         "external_url",
         "encrypted_extra",
+        "impersonate_user",
     ]
     export_children = ["tables"]