diff --git a/config.m4 b/config.m4
index c7a15f11..b54a12d2 100644
--- a/config.m4
+++ b/config.m4
@@ -392,6 +392,8 @@ if test "$PHP_MEMCACHED" != "no"; then
 
     CFLAGS="$ORIG_CFLAGS"
 
+    AC_CHECK_HEADERS([arpa/inet.h])
+
     export PKG_CONFIG_PATH="$ORIG_PKG_CONFIG_PATH"
     PHP_SUBST(MEMCACHED_SHARED_LIBADD)
 
diff --git a/php_memcached_server.c b/php_memcached_server.c
index 870209c1..83bd15ee 100644
--- a/php_memcached_server.c
+++ b/php_memcached_server.c
@@ -17,6 +17,9 @@
 #include "php_memcached.h"
 #include "php_memcached_private.h"
 #include "php_memcached_server.h"
+#if HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
 
 #include <event2/listener.h>