diff --git a/mytonctrl/scripts/restore_backup.sh b/mytonctrl/scripts/restore_backup.sh
index 005ee7d8..042657d7 100644
--- a/mytonctrl/scripts/restore_backup.sh
+++ b/mytonctrl/scripts/restore_backup.sh
@@ -16,6 +16,10 @@ do
 	esac
 done
 
+if [ ! -f "$name" ]; then
+    echo "Backup file not found, aborting."
+    exit 1
+fi
 
 COLOR='\033[92m'
 ENDC='\033[0m'
@@ -43,6 +47,8 @@ rm -rf /var/ton-work/db/keyring
 
 chown -R $user:$user ${tmp_dir}/mytoncore
 chown -R $user:$user ${tmp_dir}/keys
+chown validator:validator ${tmp_dir}/keys
+chown -R validator:validator ${tmp_dir}/db
 
 cp -rfp ${tmp_dir}/db /var/ton-work
 cp -rfp ${tmp_dir}/keys /var/ton-work