diff --git a/math/elmer-umfpack/Makefile b/math/elmer-umfpack/Makefile
index b1216def04bb..4e04710d1a91 100644
--- a/math/elmer-umfpack/Makefile
+++ b/math/elmer-umfpack/Makefile
@@ -7,6 +7,7 @@
 
 PORTNAME=	umfpack
 PORTVERSION=	4.4
+PORTREVISION=	1
 PORTEPOCH=	2
 CATEGORIES=	math
 MASTER_SITES=	ftp://ftp.funet.fi/pub/sci/physics/elmer/
@@ -15,8 +16,6 @@ PKGNAMEPREFIX=	elmer-
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	UMFPACK library used by ELMER FEM package
 
-CONFLICTS=	umfpack-[0-9].[0-9]* suitesparse-[0-9].[0-9]*
-
 WANT_FORTRAN=yes #dummy but future use
 BUILD_DEPENDS+= gfortran42:${PORTSDIR}/lang/gcc42
 FC=	gfortran42
@@ -34,4 +33,11 @@ CFLAGS+=	-DGETRUSAGE
 CFLAGS+=	-fPIC
 .endif
 
+do-install:
+	${INSTALL_DATA} ${WRKSRC}/src/amd/include/amd.h ${PREFIX}/include/amd_elmer.h
+	${INSTALL_DATA} ${WRKSRC}/src/umfpack/include/umfpack.h ${PREFIX}/include/umfpack_elmer.h
+	${INSTALL_DATA} ${WRKSRC}/src/amd/libamd.a ${PREFIX}/lib/libamd_elmer.a
+	${INSTALL_DATA} ${WRKSRC}/src/amd/libamdf77.a ${PREFIX}/lib/libamdf77_elmer.a
+	${INSTALL_DATA} ${WRKSRC}/src/umfpack/libumfpack.a ${PREFIX}/lib/libumfpack_elmer.a
+
 .include <bsd.port.post.mk>
diff --git a/math/elmer-umfpack/pkg-plist b/math/elmer-umfpack/pkg-plist
index 8203578a7668..f23d8c4309de 100644
--- a/math/elmer-umfpack/pkg-plist
+++ b/math/elmer-umfpack/pkg-plist
@@ -1,5 +1,5 @@
-include/amd.h
-include/umfpack.h
-lib/libamd.a
-lib/libamdf77.a
-lib/libumfpack.a
+include/amd_elmer.h
+include/umfpack_elmer.h
+lib/libamd_elmer.a
+lib/libamdf77_elmer.a
+lib/libumfpack_elmer.a