diff -up mpich/elpa.pc.in.r mpich/elpa.pc.in
--- mpich/elpa.pc.in.r	2015-03-16 11:39:51.000000000 +0100
+++ mpich/elpa.pc.in	2015-03-20 10:59:37.966517510 +0100
@@ -9,4 +9,4 @@ Version: @PACKAGE_VERSION@
 URL: @PACKAGE_URL@
 Libs: -L${libdir} -lelpa@SUFFIX@ @LIBS@ @OPENMP_FCFLAGS@
 Cflags: -I${includedir}/elpa@SUFFIX@-@PACKAGE_VERSION@ @OPENMP_CFLAGS@
-fcflags= -I${includedir}/elpa@SUFFIX@-@PACKAGE_VERSION@/modules @OPENMP_FCFLAGS@
+fcflags= -I@MPI_FORTRAN_MOD_DIR@ @OPENMP_FCFLAGS@