diff --git a/doc/man/CMakeLists.txt b/doc/man/CMakeLists.txt
index 23da9e150..9b3c50764 100644
--- a/doc/man/CMakeLists.txt
+++ b/doc/man/CMakeLists.txt
@@ -30,7 +30,7 @@ foreach (manpage ${MANPAGES})
     endif ()
 
     if (f AND NOT WIN32)
-        install(FILES ${f} DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/man/man1)
+        install(FILES ${f} DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/man/man1)
         unset(f)
     endif ()
 endforeach ()