diff --git a/cmake/build-root-submodule.cmake b/cmake/build-root-submodule.cmake
index b92525f080e09c580a18d863836b41092f77165a..56aca42e4440505cabb6902b84fd3933b12d6104 100644
--- a/cmake/build-root-submodule.cmake
+++ b/cmake/build-root-submodule.cmake
@@ -99,7 +99,7 @@ include(GNUInstallDirs)
 install(DIRECTORY "${PROJECT_BINARY_DIR}/root_install/bin/" TYPE BIN USE_SOURCE_PERMISSIONS)
 install(DIRECTORY "${PROJECT_BINARY_DIR}/root_install/lib/" TYPE LIB USE_SOURCE_PERMISSIONS)
 install(DIRECTORY "${PROJECT_BINARY_DIR}/root_install/etc/" TYPE SYSCONF USE_SOURCE_PERMISSIONS)
-install(DIRECTORY "${PROJECT_BINARY_DIR}/root_install/include/" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/include/root")
+install(DIRECTORY "${PROJECT_BINARY_DIR}/root_install/include/" DESTINATION "${CMAKE_INSTALL_PREFIX}/include/root")
 install(DIRECTORY "${PROJECT_BINARY_DIR}/root_install/fonts/" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/fonts/truetype/")
 install(DIRECTORY "${PROJECT_BINARY_DIR}/root_install/man/" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/man/")
 install(FILES "${PROJECT_BINARY_DIR}/root_install/LICENSE" DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/root/")