diff --git a/configure.ac b/configure.ac
index a134ce9..be817b1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,6 +21,7 @@ if test "$enable_memcached" = "yes"; then
 fi
 
 AC_DEFINE([DEFAULT_PORT], [4000], [The default port number if not specified in the config file])
+AC_DEFINE([MAX_RECV_LEN], [1024])
 
 PKG_CHECK_MODULES([GIO], gio-2.0)
 PKG_CHECK_MODULES([GLIB], glib-2.0)
diff --git a/src/main.c b/src/main.c
index 8114e24..f64993d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -10,8 +10,6 @@
 #include "interpreter.h"
 #include "db.h"
 
-#define MAX_RECV_LEN 1024
-
 struct {
 	char *file;
 	int line;
diff --git a/src/networking.c b/src/networking.c
index 6d1b291..c8700f2 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -3,14 +3,16 @@
 #include <string.h>
 #include <stdarg.h>
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
 #include "main.h"
 #include "networking.h"
 #include "interpreter.h"
 #include "players.h"
 #include "db.h"
 
-#define MAX_RECV_LEN 1024
-
 struct AcceptData {
 	GMainContext *context;
 	GSocketListener *listener;