diff --git a/CMakeLists.txt b/CMakeLists.txt
index cbc6651..4e31f71 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -122,7 +122,7 @@ install(FILES ${XTL_HEADERS}
         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/xtl)
 endif()
 
-set(XTL_CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_DATAROOTDIR}/cmake/${PROJECT_NAME}" CACHE
+set(XTL_CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}" CACHE
     STRING "install path for xtlConfig.cmake")
 
 configure_package_config_file(${PROJECT_NAME}Config.cmake.in
@@ -157,4 +157,4 @@ configure_file(${PROJECT_NAME}.pc.in
                "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
                 @ONLY)
 install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
-        DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/pkgconfig/")
+        DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig/")