1diff --git a/src/external/muparser/muparser.pc.in b/src/external/muparser/muparser.pc.in
2index 646787cb53..d26e84de8f 100644
3--- a/src/external/muparser/muparser.pc.in
4+++ b/src/external/muparser/muparser.pc.in
5@@ -1,11 +1,9 @@
6-prefix=@CMAKE_INSTALL_PREFIX@
7-exec_prefix=${prefix}
8-libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
9-includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
10-
11-Name: @PACKAGE_NAME@
12-Description: Mathematical expressions parser library
13-Version: @MUPARSER_VERSION@
14-Requires:
15-Libs: -L${libdir} -lmuparser
16-Cflags: -I${includedir} @PKG_CONFIG_FLAGS@
17+libdir=@CMAKE_INSTALL_FULL_LIBDIR@
18+includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
19+
20+Name: @PACKAGE_NAME@
21+Description: Mathematical expressions parser library
22+Version: @MUPARSER_VERSION@
23+Requires:
24+Libs: -L${libdir} -lmuparser
25+Cflags: -I${includedir} @PKG_CONFIG_FLAGS@
26diff --git a/src/gromacs/libgromacs.pc.cmakein b/src/gromacs/libgromacs.pc.cmakein
27index af9b5a6dc0..5f58d549bf 100644
28--- a/src/gromacs/libgromacs.pc.cmakein
29+++ b/src/gromacs/libgromacs.pc.cmakein
30@@ -1,5 +1,4 @@
31-prefix=@CMAKE_INSTALL_PREFIX@
32-libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
33+libdir=@CMAKE_INSTALL_FULL_LIBDIR
34
35 Name: libgromacs@GMX_LIBS_SUFFIX@
36 Description: Gromacs library