diff --git a/src/progress.sh b/src/progress.sh
index be3cba5..e50d65e 100644
--- a/src/progress.sh
+++ b/src/progress.sh
@@ -25,7 +25,7 @@ do
   if [ -s "$file" ]; then
     bytes=$(du -sb "$file" | cut -f1)
     if (( bytes > 1000 )); then
-      if [ -z "$total" ]; then
+      if [ -z "$total" ] || [[ "$total" == "0" ]]; then
         size=$(numfmt --to=iec --suffix=B  "$bytes" | sed -r 's/([A-Z])/ \1/')
       else
         size=$(printf '%.1f\n' "$((bytes*100*100/total))e-2")