diff --git a/dataset-service/src/main/java/org/eea/dataset/controller/DatasetControllerImpl.java b/dataset-service/src/main/java/org/eea/dataset/controller/DatasetControllerImpl.java
index b2584e7736..788fa5f431 100644
--- a/dataset-service/src/main/java/org/eea/dataset/controller/DatasetControllerImpl.java
+++ b/dataset-service/src/main/java/org/eea/dataset/controller/DatasetControllerImpl.java
@@ -611,6 +611,12 @@ public Map<String, Object> importBigFileData(
       if (providerId != null) {
         pollingUrl += "&providerId=" + providerId;
       }
+
+      // Append the preparationCode as 'code' if it is present
+      if (preparationCode != null && !preparationCode.isEmpty()) {
+        pollingUrl += "&code=" + preparationCode;
+      }
+
       result.put("jobId", jobId);
       result.put("pollingUrl", pollingUrl);
     }