diff --git a/conf/cfc.config b/conf/cfc.config
index f56beea..763dcf0 100644
--- a/conf/cfc.config
+++ b/conf/cfc.config
@@ -22,7 +22,7 @@ weblog{
 
 params {
   igenomes_base = '/nfsmounts/igenomes'
-  max_memory = 500.GB
+  max_memory = 498.GB
   max_cpus = 20
   max_time = 140.h
 }