diff --git a/src/main/java/uk/ac/ebi/eva/pipeline/jobs/steps/tasklets/FileStatsTasklet.java b/src/main/java/uk/ac/ebi/eva/pipeline/jobs/steps/tasklets/FileStatsTasklet.java
index af609361..e01c8b70 100644
--- a/src/main/java/uk/ac/ebi/eva/pipeline/jobs/steps/tasklets/FileStatsTasklet.java
+++ b/src/main/java/uk/ac/ebi/eva/pipeline/jobs/steps/tasklets/FileStatsTasklet.java
@@ -76,7 +76,7 @@ public FileStatsTasklet(DatabaseParameters databaseParameters, MongoTemplate mon
     public RepeatStatus execute(StepContribution stepContribution, ChunkContext chunkContext) throws Exception {
         populateFilesIdAndNumberOfSamplesMap();
 
-        if (!fileIdCountsMap.isEmpty()) {
+        if (!fileIdNumberOfSamplesMap.isEmpty()) {
             initializeFileIdCountsMap();
             cursor = initializeCursor();
             try {