diff --git a/configure.in b/configure.in
index 6d9312d4..57883edc 100644
--- a/configure.in
+++ b/configure.in
@@ -108,9 +108,14 @@ AC_CHECK_HEADERS([ \
 AC_CHECK_HEADERS([ \
 	arpa/inet.h ctype.h malloc.h netinet/ip.h stdbool.h stddef.h varargs.h \
 	],[],[],[[
-	#include <netinet/in.h>
-	#ifdef HAVE_NETINET_IN_SYSTM_H
-		#include <netinet/in_systm.h>
+	#ifdef HAVE_SYS_TYPES_H
+		#include <sys/types.h>
+	#endif
+	#ifdef HAVE_SYS_SOCKET_H
+		#include <sys/socket.h>
+	#endif
+	#ifdef HAVE_NETINET_IN_H
+		#include <netinet/in.h>
 	#endif
 	]]
 )