diff --git a/ush/set_rrfs_config.sh b/ush/set_rrfs_config.sh
index d330777db..c06db9205 100644
--- a/ush/set_rrfs_config.sh
+++ b/ush/set_rrfs_config.sh
@@ -96,6 +96,7 @@ if [[ $DO_RETRO == "TRUE" ]] ; then
   CLEAN_OLDRUN_HRS="240"
   CLEAN_OLDFCST_HRS="240"
   CLEAN_OLDSTMPPOST_HRS="240"
+  CLEAN_NWGES_HRS="240"
   if [[ $LBCS_ICS_ONLY == "TRUE" ]]; then
     CLEAN_OLDRUN_HRS="7777"
     CLEAN_OLDFCST_HRS="7777"