diff --git a/core/clients/aggregators/nordigen.py b/core/clients/aggregators/nordigen.py
index 296eb59..03077fe 100644
--- a/core/clients/aggregators/nordigen.py
+++ b/core/clients/aggregators/nordigen.py
@@ -265,12 +265,15 @@ class NordigenClient(BaseClient, AggregatorClient):
 
             # Rename timestamp
 
-            if "bookingDateTime" in transaction:
+            if transaction["bookingDateTime"]:
                 transaction["ts"] = transaction["bookingDateTime"]
                 del transaction["bookingDateTime"]
-            elif "bookingDate" in transaction:
+            elif transaction["bookingDate"]:
                 transaction["ts"] = transaction["bookingDate"]
                 del transaction["bookingDate"]
+            elif transaction["valueDate"]:
+                transaction["ts"] = transaction["valueDate"]
+                del transaction["valueDate"]
 
             transaction["amount"] = float(transaction["transactionAmount"]["amount"])
             transaction["currency"] = transaction["transactionAmount"]["currency"]