diff --git a/tests/default_vars.sh b/tests/default_vars.sh
index bb59bd7e67..97faaf63fe 100644
--- a/tests/default_vars.sh
+++ b/tests/default_vars.sh
@@ -1188,8 +1188,11 @@ export_ugwpv1() {
   esac
 
   if [[ ${DO_GSL_DRAG_SS} = .true. ]]; then export CDMBGWD=${CDMBGWD_GSL}; fi
-  if [[ ${SEDI_SEMI} = .false. ]]; then export DT_ATMOS=$((DT_ATMOS/2)); fi
-  export DT_INNER=${DT_ATMOS}
+  if [[ ${SEDI_SEMI} = .false. ]]; then 
+    export DT_INNER=$((DT_ATMOS/2))
+  else 
+    export DT_INNER=${DT_ATMOS}
+  fi
   export default_dt_atmos=0
 }