diff --git a/atst/forms/fields.py b/atst/forms/fields.py
index f573f179..0714c847 100644
--- a/atst/forms/fields.py
+++ b/atst/forms/fields.py
@@ -35,3 +35,9 @@ class NewlineListField(Field):
             self.data = [l.strip() for l in valuelist[0].split("\n") if l]
         else:
             self.data = []
+
+    def process_data(self, value):
+        if isinstance(value, list):
+            self.data = "\n".join(value)
+        else:
+            self.data = value
diff --git a/atst/routes/requests/financial_verification.py b/atst/routes/requests/financial_verification.py
index f6b8cfda..972e9351 100644
--- a/atst/routes/requests/financial_verification.py
+++ b/atst/routes/requests/financial_verification.py
@@ -24,7 +24,7 @@ def update_financial_verification(request_id):
     rerender_args = dict(request_id=request_id, f=form)
 
     if form.validate():
-        request_data = {"financial_verification": post_data}
+        request_data = {"financial_verification": form.data}
         valid = form.perform_extra_validation(
             existing_request.body.get("financial_verification")
         )