--- src/opengl/CMakeLists.txt.orig	2022-01-14 18:52:21 UTC
+++ src/opengl/CMakeLists.txt
@@ -130,7 +130,7 @@ function_variable_fixup("${EXTRA_OPENGL_LDFLAGS}"  EXT
 
 target_include_directories(CsOpenGL
    PUBLIC
-   $<INSTALL_INTERFACE:include/QtOpenGL>
+   ${CMAKE_INSTALL_INCLUDEDIR}/QtOpenGL
 )
 
 target_link_libraries(CsOpenGL
@@ -159,8 +159,8 @@ install(
    TARGETS CsOpenGL
    EXPORT CopperSpiceLibraryTargets ${INSTALL_TARGETS_DEFAULT_ARGS}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}${CS_NAMESPACE_DIRECTORY}
+   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}${CS_NAMESPACE_DIRECTORY}
 )
 
 install(
