diff --git a/phrollo b/phrollo
index 0582b18..e5afa13 100755
--- a/phrollo
+++ b/phrollo
@@ -5,7 +5,7 @@
 FILEIN="${1:-/dev/stdin}"
 IFS='	'
 while read -r D T S H P SH; do
-	NSH="$(printf "$S\r\n"  | nc "$H" "$P" | shasum -a 256 | cut -d " " -f 1)"
+	NSH="$(printf "%s\r\n" "$S" | nc "$H" "$P" | shasum -a 256 | cut -d " " -f 1)"
 	[ "${SH}" !=  "${NSH}" ] && {
 		D="$(date +%Y%m%d)"
 		SH="${NSH}"