diff --git a/tools/phlow.sh b/tools/phlow.sh
index 5522e2c..2e892e5 100644
--- a/tools/phlow.sh
+++ b/tools/phlow.sh
@@ -44,5 +44,5 @@ while read -rs line; do # fully line-based operation
       outbuf="${outbuf}${c}" # save the character itself
     fi
   done
-  [[ ! -z "$outbuf" ]] && printf "$fmtstr" '' "$outbuf" ''
+  [[ ! -z "$outbuf" ]] && printf "$fmtstr" '' "$outbuf" '' # output the last unprocessed chunk
 done