--- Makefile.orig	2023-04-25 12:19:36 UTC
+++ Makefile
@@ -4,11 +4,13 @@ ifeq ($(OS), FreeBSD)
 
 OS = $(shell uname)
 ifeq ($(OS), FreeBSD)
-	MANPREFIX ?= "$(PREFIX)/man/man1"
+	MANPREFIX = "$(PREFIX)/man/man1"
 else
 	MANPREFIX ?= "$(PREFIX)/share/man/man1"
 endif
 ifeq ($(OS), Darwin)
+	COMPL_DIR ?= "$(DESTDIR)$(SYSCONFDIR)/bash_completion.d"
+else ifeq ($(OS), FreeBSD)
 	COMPL_DIR ?= "$(DESTDIR)$(SYSCONFDIR)/bash_completion.d"
 else
 	COMPL_DIR ?= "$(DESTDIR)$(SYSCONFDIR)/bash-completion/completions"
