diff --git a/lang/mono-basic/Makefile b/lang/mono-basic/Makefile
index f8ac8b4f99a6..0a79e36aa13b 100644
--- a/lang/mono-basic/Makefile
+++ b/lang/mono-basic/Makefile
@@ -19,7 +19,8 @@ RUN_DEPENDS=	mono:${PORTSDIR}/lang/mono
 MAN1=		vbnc.1
 
 USE_BZIP2=	yes
-GNU_CONFIGURE=	yes
+HAS_CONFIGURE=	yes
+CONFIGURE_ARGS=	--prefix=${PREFIX}
 USE_GMAKE=	yes
 
 tests: build