diff --git a/ush/config.sh.RRFS_dev2 b/ush/config.sh.RRFS_dev2
index ea9dd3930..7b9c4613f 100644
--- a/ush/config.sh.RRFS_dev2
+++ b/ush/config.sh.RRFS_dev2
@@ -42,6 +42,8 @@ envir="para"
 
 NET="RRFS_CONUS"
 
+USE_CUSTOM_POST_CONFIG_FILE="TRUE"
+CUSTOM_POST_CONFIG_FP="/mnt/lfs4/BMC/nrtrr/RRFS/dev2-ufs-srweather-app/src/EMC_post/parm/postxconfig-NT-fv3lam_rrfs.txt"
 ARCHIVEDIR="/5year/BMC/wrfruc/rrfs_dev2"
 NCARG_ROOT="/apps/ncl/6.5.0-CentOS6.10_64bit_nodap_gnu447"
 NCL_HOME="/home/rtrr/RRFS/graphics"