diff --git a/configure b/configure
index 31f7ae63..952b430 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 1.406 .
+# From configure.in Revision: 1.407 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for python 2.3.
 #
@@ -12824,6 +12824,7 @@
 #include "confdefs.h"
 
 #include "confdefs.h"
+#include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
@@ -12877,7 +12878,7 @@
 #include "confdefs.h"
 
 #include "confdefs.h"
-#include <unistd.h.h>
+#include <unistd.h>
 
 #ifdef F77_DUMMY_MAIN
 #  ifdef __cplusplus
diff --git a/configure.in b/configure.in
index 5918bb0..3e37381 100644
--- a/configure.in
+++ b/configure.in
@@ -2003,6 +2003,7 @@
 AC_MSG_CHECKING(for inet_pton)
 AC_TRY_COMPILE([
 #include "confdefs.h" 
+#include <sys/types.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
@@ -2015,7 +2016,7 @@
 AC_MSG_CHECKING(for setgroups)
 AC_TRY_COMPILE([
 #include "confdefs.h" 
-#include <unistd.h.h>
+#include <unistd.h>
 ], 
 void* p = setgroups,
   AC_DEFINE(HAVE_SETGROUPS, 1, Define if you have the 'setgroups' function.)