diff --git a/jobs/JGLOBAL_FORECAST b/jobs/JGLOBAL_FORECAST
index 69366fd866..e64a91d21c 100755
--- a/jobs/JGLOBAL_FORECAST
+++ b/jobs/JGLOBAL_FORECAST
@@ -123,7 +123,7 @@ if [[ "${KEEPDATA}" == "NO" ]]; then
   # Determine if this is the last segment
   commas="${FCST_SEGMENTS//[^,]}"
   n_segs=${#commas}
-  if (( n_segs - 1 == ${FCST_SEGMENT:0} )); then
+  if (( n_segs - 1 == ${FCST_SEGMENT:-0} )); then
     # Only delete temporary restarts if it is the last segment
     rm -rf "${DATArestart}"
   fi