diff --git a/ush/launch_FV3LAM_wflow.sh b/ush/launch_FV3LAM_wflow.sh
index 72cdd74c7..fb2c71c96 100755
--- a/ush/launch_FV3LAM_wflow.sh
+++ b/ush/launch_FV3LAM_wflow.sh
@@ -25,6 +25,10 @@ else
 fi
 scrfunc_fn=$( basename "${scrfunc_fp}" )
 scrfunc_dir=$( dirname "${scrfunc_fp}" )
+
+ushdir="${scrfunc_dir}"
+. $ushdir/source_util_funcs.sh
+
 #
 #-----------------------------------------------------------------------
 #
@@ -309,8 +313,8 @@ while read -r line; do
 #
   if [ $i -gt 0 ]; then
     im1=$((i-1))
-    cycle_str[im1]=$( echo "$line" | sed -r -n -e "s/${regex_search}/\1/p" )
-    cycle_status[im1]=$( echo "$line" | sed -r -n -e "s/${regex_search}/\2/p" )
+    cycle_str[im1]=$( echo "$line" | $SED -r -n -e "s/${regex_search}/\1/p" )
+    cycle_status[im1]=$( echo "$line" | $SED -r -n -e "s/${regex_search}/\2/p" )
   fi
   i=$((i+1))
 done <<< "${rocotostat_output}"