diff --git a/build/templates/blockbook/logrotate.sh b/build/templates/blockbook/logrotate.sh
index 267e1bdc78..56fe166d8d 100755
--- a/build/templates/blockbook/logrotate.sh
+++ b/build/templates/blockbook/logrotate.sh
@@ -4,10 +4,10 @@ set -e
 
 LOGS={{.Env.BlockbookInstallPath}}/{{.Coin.Alias}}/logs
 
-find $LOGS -mtime +7 -type f -print0 | while read -r -d $'\0' log; do
+find "$LOGS" -mtime +7 -type f -print0 | while read -r -d $'\0' log; do
     # remove log if isn't opened by any process
-    if ! fuser -s $log; then
-        rm -f $log
+    if ! fuser -s -- "$log"; then
+        rm -f -- "$log"
     fi
 done
 {{end}}