diff --git a/lib/atc/Makefile.openmpi b/lib/atc/Makefile.openmpi
deleted file mode 120000
index af77c06a90..0000000000
--- a/lib/atc/Makefile.openmpi
+++ /dev/null
@@ -1 +0,0 @@
-Makefile.mpic++
\ No newline at end of file
diff --git a/lib/awpmd/Makefile b/lib/awpmd/Makefile
index 2900848baf..e2f056f4ba 100644
--- a/lib/awpmd/Makefile
+++ b/lib/awpmd/Makefile
@@ -2,7 +2,7 @@
 
 SHELL=/bin/sh
 
-TARGETS= openmpi mingw32-cross mingw64-cross
+TARGETS= mpicc mingw32-cross mingw64-cross
 CLEAN = $(patsubst %,clean-%,$(TARGETS))
 
 default:
diff --git a/tools/rpm/lammps.spec b/tools/rpm/lammps.spec
index df96b16fba..ae9ed62231 100644
--- a/tools/rpm/lammps.spec
+++ b/tools/rpm/lammps.spec
@@ -43,8 +43,8 @@
 %{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")}
 
 Name:           lammps
-Version:        20140123
-Release:        7%{?dist}
+Version:        20140926
+Release:        8%{?dist}
 Summary:        LAMMPS Molecular Dynamics Simulator
 Group:          Applications/Engineering
 
@@ -165,7 +165,7 @@ This package contains the LAMMPS Python module
 cd lib/atc
 make -f Makefile.g++ CC=g++ CCFLAGS="-fPIC -I../../src -I../../src/STUBS  ${RPM_OPT_FLAGS} %{bigintsize}" EXTRAMAKE=Makefile.lammps.linalg
 cd ../awpmd
-make -f Makefile.openmpi CC=g++ CCFLAGS="-fPIC -Isystems/interact/TCP/ -Isystems/interact -Iivutils/include ${RPM_OPT_FLAGS} %{bigintsize}" EXTRAMAKE=Makefile.lammps.linalg
+make -f Makefile.mpicc CC=g++ CCFLAGS="-fPIC -Isystems/interact/TCP/ -Isystems/interact -Iivutils/include ${RPM_OPT_FLAGS} %{bigintsize}" EXTRAMAKE=Makefile.lammps.linalg
 cd ../colvars
 make -f Makefile.g++ CXX=g++ CXXFLAGS="-fPIC ${RPM_OPT_FLAGS} %{bigintsize}" EXTRAMAKE=Makefile.lammps.empty
 cd ../linalg