Index: lang/mono-basic/Makefile
===================================================================
--- lang/mono-basic/Makefile	(révision 442)
+++ lang/mono-basic/Makefile	(révision 443)
@@ -20,6 +20,7 @@
 
 USE_BZIP2=	yes
 HAS_CONFIGURE=	yes
+CONFIGURE_ARGS=	--prefix=${PREFIX}
 USE_GMAKE=	yes
 
 tests: build