diff --git a/core/lib/schemas/nordigen_s.py b/core/lib/schemas/nordigen_s.py
index 216321f..dda0687 100644
--- a/core/lib/schemas/nordigen_s.py
+++ b/core/lib/schemas/nordigen_s.py
@@ -112,7 +112,7 @@ class AccountDetailsNested(BaseModel):
     resourceId: str
     currency: str
     ownerName: str
-    cashAccountType: str
+    cashAccountType: str | None
     status: str | None
     maskedPan: str | None
     details: str | None