diff --git a/conf/base.config b/conf/base.config
index 706ca6c5fa0bdd5d24e3d009e1770f1cb07c82f2..142439f8b3dc15acbb94cc84062abed73b1a46cd 100644
--- a/conf/base.config
+++ b/conf/base.config
@@ -67,7 +67,7 @@ process {
     time = { check_max( 5.h * task.attempt, 'time' ) }
   }
   withName:generate_cool {
-    cpus = check_max( 2, 'cpus' ) }                                                                                                                                                                        
+    cpus = { check_max( 2, 'cpus' ) }
     memory = { check_max( 16.GB * task.attempt, 'memory' ) }
     time = { check_max( 4.h * task.attempt, 'time' ) }   
   }