diff --git a/pkgconfig/libmultiprocess.pc.in b/pkgconfig/libmultiprocess.pc.in
index d8bda42c..94c416cb 100644
--- a/pkgconfig/libmultiprocess.pc.in
+++ b/pkgconfig/libmultiprocess.pc.in
@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=${prefix}
-libdir=${prefix}/lib
-includedir=${prefix}/include
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
 capnp_prefix=@capnp_PREFIX@
 
 Name: libmultiprocess