diff --git a/conf/modules.config b/conf/modules.config
index f9d0329..6563cc9 100644
--- a/conf/modules.config
+++ b/conf/modules.config
@@ -351,6 +351,10 @@ process {
         ]
     }
 
+    withName: KAIJU_KAIJU2KRONA {
+        ext.args = '-v -u'
+    }
+
     withName: DIAMOND_BLASTX {
         ext.args = { "${meta.db_params}" }
         ext.prefix = params.perform_runmerging ? { "${meta.id}-${meta.db_name}" } : { "${meta.id}-${meta.run_accession}-${meta.db_name}" }