diff --git a/Makefile.am b/Makefile.am
index df51612..93559bb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,7 +11,7 @@ dist_man5_MANS =	table-passwd.5
 EXTRA_DIST =		README.md compat.h config.h.in dict.h log.h \
 			table_stdio.h util.h
 
-smtpdir =		${prefix}/libexec/smtpd
+smtpdir =		$(pkglibexecdir)
 
 install-exec-local: $(noinst_PROGRAMS)
 	$(MKDIR_P) $(DESTDIR)$(smtpdir)
diff --git a/configure.ac b/configure.ac
index f379b1c..8df5249 100644
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,13 @@ AC_CONFIG_LIBOBJ_DIR(openbsd-compat)
 AC_PROG_CC
 AC_USE_SYSTEM_EXTENSIONS
 
+pkglibexecdir="$libexecdir/opensmtpd"
+AS_CASE(["$host"],
+	[*-*-openbsd*], [
+		pkglibexecdir="$libexecdir/smtpd"
+])
+AC_SUBST([pkglibexecdir])
+
 AC_REPLACE_FUNCS([ \
 	asprintf \
 	getprogname \