diff --git a/configure.in b/configure.in
index 92e899db..5d4411bb 100644
--- a/configure.in
+++ b/configure.in
@@ -3,9 +3,9 @@ AC_INIT(reduce.c)
 AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_INSTALL
-AC_CONST
 AC_MINIX
 AC_ISC_POSIX
+AC_CONST
 AC_STDC_HEADERS
 AC_HAVE_HEADERS(string.h stdlib.h memory.h)
 AC_HAVE_FUNCS(strerror)