diff --git a/workflow/rna-seq.nf b/workflow/rna-seq.nf
index 00b8c9636acb0851d6f695f9271e7162dc36db5e..3d7222a7720b1c40c50ba65937ed8f25b5cc0fc3 100644
--- a/workflow/rna-seq.nf
+++ b/workflow/rna-seq.nf
@@ -241,7 +241,7 @@ process getData {
 
     # bag fetch fastq's only and rename by repRID
     echo -e "LOG: fetching replicate bdbag" >> ${repRID}.getData.log
-    sh ${script_bdbagFetch} \${replicate::-9} ${repRID}
+    sh ${script_bdbagFetch} \${replicate::-13} ${repRID}
     echo -e "LOG: fetched" >> ${repRID}.getData.log
     """
 }