diff --git a/Dockerfile b/Dockerfile
index ae6bfd2..5a82094 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,6 +15,7 @@ ARG XMLSTAR_VER
 ARG OPENSSL_VER
 ARG CURL_VER
 ARG ZLIB_VER
+ARG MAKEFLAGS
 
 ARG PREFIX=/prefix