--- doc/CMakeLists.txt.orig	2020-11-14 18:13:29 UTC
+++ doc/CMakeLists.txt
@@ -240,7 +240,7 @@ install(FILES
         "${PROJECT_BINARY_DIR}/man/doxywizard.1"
         "${PROJECT_BINARY_DIR}/man/doxysearch.1"
         "${PROJECT_BINARY_DIR}/man/doxyindexer.1"
-        DESTINATION ${CMAKE_INSTALL_MANDIR}/man1
+        DESTINATION man/man1
 )
 
 install(CODE "if(NOT EXISTS \"${PROJECT_BINARY_DIR}/latex/doxygen_manual.pdf\")