diff --git a/eva-accession-deprecate/src/main/java/uk/ac/ebi/eva/accession/deprecate/batch/io/SubmittedVariantsFileReader.java b/eva-accession-deprecate/src/main/java/uk/ac/ebi/eva/accession/deprecate/batch/io/SubmittedVariantsFileReader.java
index 9cb9720dd..065b92be3 100644
--- a/eva-accession-deprecate/src/main/java/uk/ac/ebi/eva/accession/deprecate/batch/io/SubmittedVariantsFileReader.java
+++ b/eva-accession-deprecate/src/main/java/uk/ac/ebi/eva/accession/deprecate/batch/io/SubmittedVariantsFileReader.java
@@ -100,12 +100,12 @@ public void initializeReader() {
     }
 
     private void loadNextBatchAndQuery() {
-        List<Integer> variantIds = new ArrayList<>();
+        List<Long> variantIds = new ArrayList<>();
         String line;
 
         try {
             while (variantIds.size() < chunkSize && (line = reader.readLine()) != null) {
-                variantIds.add(Integer.parseInt(line.trim()));
+                variantIds.add(Long.parseLong(line.trim()));
             }
             if (variantIds.isEmpty()) {
                 endOfFile = true;