1 files changed, 2 insertions, 2 deletions
diff --git a/backup-progress.in b/backup-progress.in
index 4e67f92..4b6e911 100755
--- a/backup-progress.in
+++ b/backup-progress.in
@@ -26,14 +26,14 @@ for backupID in "${!backups[@]}"; do
       | tail -n1
   )
   last_size=$(
-    timeout ${du_timeout} du -sb "${dir}/${last}" \
+    timeout "${du_timeout}" du -sb "${dir}/${last}" \
       | awk '{print $1}'
   )
   if [ -z "${last_size}" ]; then
     last_size='4096'
   fi
   current_size=$(
-    timeout ${du_timeout} du -sb "${dir}/aktuell" \
+    timeout "${du_timeout}" du -sb "${dir}/aktuell" \
       | awk '{print $1}'
   )
   if [ -z "${current_size}" ]; then