Index: doc/CMakeLists.txt
--- doc/CMakeLists.txt.orig
+++ doc/CMakeLists.txt
@@ -33,7 +33,7 @@ set(DOXYGEN_PROJECT_NAME      "${PROJECT_NAME}")
 set(DOXYGEN_INPUT_DIRECTORY   "${CMAKE_SOURCE_DIR}/src/rttr \\
                                ${CMAKE_CURRENT_SOURCE_DIR}" )
 set(DOXYGEN_OUTPUT_DIRECTORY  "${CMAKE_BINARY_DIR}/doc")
-set(DOXYGEN_DOC_INSTALL_DIR   "doc")
+set(DOXYGEN_DOC_INSTALL_DIR   "share/doc")
 set(DOXYGEN_CONFIG_FILE_IN    "DoxyFile.cfg.in")
 set(DOXYGEN_LAYOUT_FILE_IN    "doxygen-customization/layout/DoxygenLayout.xml.in")
 set(DOXYGEN_EXCLUDE           "")