diff --git a/CMakeLists.txt b/CMakeLists.txt
index f46144d..aeac3e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,10 +14,10 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Werror")
 option(SUPPORT_SYSTEMD "Support service control via systemd" OFF)

 add_subdirectory(src)
-install(FILES target-isns.conf DESTINATION /etc/)
+install(FILES target-isns.conf DESTINATION ${CMAKE_INSTALL_PREFIX}/etc/)
 install(FILES target-isns.8 DESTINATION ${CMAKE_INSTALL_PREFIX}/share/man/man8/)
 if (SUPPORT_SYSTEMD)
-  install(FILES target-isns.service DESTINATION /usr/lib/systemd/system/)
+  install(FILES target-isns.service DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/systemd/system/)
 endif (SUPPORT_SYSTEMD)

 add_subdirectory(tests)
