diff --git a/conf/pipeline/sarek/cfc.config b/conf/pipeline/sarek/cfc.config
index 9d34c59..400b86f 100644
--- a/conf/pipeline/sarek/cfc.config
+++ b/conf/pipeline/sarek/cfc.config
@@ -19,7 +19,7 @@ process {
     memory = 372.GB
   }
   withName:MapReads{
-    cpus = 48
+    cpus = 20
     memory = 128.GB
   }
-}
\ No newline at end of file
+}