diff --git a/workflows/taxprofiler.nf b/workflows/taxprofiler.nf
index 2d0c17d..33d9725 100644
--- a/workflows/taxprofiler.nf
+++ b/workflows/taxprofiler.nf
@@ -135,7 +135,7 @@ workflow TAXPROFILER {
             .map {
                 meta, reads ->
                     def meta_new = meta.clone()
-                    meta_new['run_accession'].remove()
+                    meta_new.remove('run_accession')
                     [ meta_new, reads ]
             }
             .groupTuple()