diff --git a/package/lean/vsftpd-alt/files/vsftpd_prepare b/package/lean/vsftpd-alt/files/vsftpd_prepare
index 0cec00d1a2..29169ab33c 100755
--- a/package/lean/vsftpd-alt/files/vsftpd_prepare
+++ b/package/lean/vsftpd-alt/files/vsftpd_prepare
@@ -252,4 +252,6 @@ else
 	fi
 fi
 
+output_const "seccomp_sandbox" NO
+
 exit 0