diff --git a/README b/README
index 78cde728..3113e4f7 100644
--- a/README
+++ b/README
@@ -146,7 +146,8 @@ Q. I author/maintain package X and would like to maintain my own
        message(STATUS
          "Using bash completion dir ${BASH_COMPLETION_COMPLETIONSDIR}")
      else()
-       set (BASH_COMPLETION_COMPLETIONSDIR "/etc/bash_completion.d")
+       set (BASH_COMPLETION_COMPLETIONSDIR
+         "${CMAKE_INSTALL_SYSCONFDIR}/bash_completion.d")
        message (STATUS
          "Using fallback bash completion dir ${BASH_COMPLETION_COMPLETIONSDIR}")
      endif()