diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a630b14c..41b27e60 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,3 +1,4 @@
+include(GNUInstallDirs)
 
 set( APP_NAME fceux)
 set(CMAKE_AUTOMOC ON)
@@ -631,7 +632,7 @@ install( FILES     ${CMAKE_CURRENT_SOURCE_DIR}/auxlib.lua                DESTINA
 install( DIRECTORY ${CMAKE_SOURCE_DIR}/output/.                          DESTINATION share/fceux  )
 install( FILES     ${CMAKE_SOURCE_DIR}/fceux1.png                        DESTINATION share/pixmaps  )
 install( FILES     ${CMAKE_SOURCE_DIR}/fceux.desktop                     DESTINATION share/applications  )
-install( FILES     ${CMAKE_SOURCE_DIR}/documentation/fceux.6             DESTINATION share/man/man6  )
-install( FILES     ${CMAKE_SOURCE_DIR}/documentation/fceux-net-server.6  DESTINATION share/man/man6  )
+install( FILES     ${CMAKE_SOURCE_DIR}/documentation/fceux.6             DESTINATION ${CMAKE_INSTALL_MANDIR}/man6  )
+install( FILES     ${CMAKE_SOURCE_DIR}/documentation/fceux-net-server.6  DESTINATION ${CMAKE_INSTALL_MANDIR}/man6  )
 
 endif(APPLE)