diff --git a/pishrink.sh b/pishrink.sh
index 3a4481a..8a4f56d 100755
--- a/pishrink.sh
+++ b/pishrink.sh
@@ -261,7 +261,7 @@ if ! endresult=$(parted -ms "$img" unit B print free); then
 	exit -15
 fi
 
-endresult=$(tail -1 <<< $endresult | cut -d ':' -f 2 | tr -d 'B')
+endresult=$(tail -1 <<< "$endresult" | cut -d ':' -f 2 | tr -d 'B')
 logVariables $LINENO endresult
 if ! truncate -s $endresult "$img"; then
 	rc=$?