diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 0d60da1..3a411b9 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -29,7 +29,7 @@ install(
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
 
-install(FILES fort.h fort.hpp DESTINATION include)
+install(FILES fort.h fort.hpp DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
 configure_file(libfort.pc.in libfort.pc @ONLY)
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libfort.pc DESTINATION lib/pkgconfig)