diff --git a/conf/modules.config b/conf/modules.config
index a910b8e..ce9597b 100644
--- a/conf/modules.config
+++ b/conf/modules.config
@@ -35,7 +35,7 @@ process {
     }
 
     withName: UNTAR {
-        publishDir = null
+        publishDir = [enabled: false]
     }
 
     withName: FASTQC {