diff --git a/workflows/methylseq.nf b/workflows/methylseq.nf
index d003e39c..c1ab1870 100644
--- a/workflows/methylseq.nf
+++ b/workflows/methylseq.nf
@@ -206,7 +206,7 @@ workflow METHYLSEQ {
     versions = versions.mix(PRESEQ_LCEXTRAP.out.versions.first().ifEmpty(null))
 
     CUSTOM_DUMPSOFTWAREVERSIONS (
-        versions.unique{ it.text }.collectFile(name: 'collated_versions.yml')
+        versions.unique().collectFile(name: 'collated_versions.yml')
     )
 
     //