diff --git a/workflow/main.nf b/workflow/main.nf
index 384596cb4603af3a5d84586c7d9462b2b2c68790..38532323a5aad2c65f028fb1ad7b86040d799c2a 100644
--- a/workflow/main.nf
+++ b/workflow/main.nf
@@ -165,7 +165,7 @@ process filterReads {
 
 // Define channel collecting new design file
 dedupDesign = dedupReads.
-              collectFile(name:'design_dedup.tsv', seed:"sample_id\tbam_reads\tbam_index\tbiosample\tfactor\ttreatment\treplicate\controlId\n", storeDir:""$baseDir/output/design")
+              collectFile(name:'design_dedup.tsv', seed:"sample_id\tbam_reads\tbam_index\tbiosample\tfactor\ttreatment\treplicate\tcontrolId\n", storeDir:""$baseDir/output/design")
 
 // Quality Metrics using deeptools
 process experimentQC {