diff --git a/src/config/32_to_64 b/src/config/32_to_64
index 1a175e00d8..c3836b138a 100755
--- a/src/config/32_to_64
+++ b/src/config/32_to_64
@@ -25,7 +25,7 @@ fi
    perlscript=${NWCHEM_TOP}/src/config/32_to_64.pl
 
 
- JOB_LIMIT=4
+ JOB_LIMIT=6
 
  njob=0