diff --git a/NanodeUIP.cpp b/NanodeUIP.cpp
index cfa4fea..a3e9530 100644
--- a/NanodeUIP.cpp
+++ b/NanodeUIP.cpp
@@ -48,11 +48,15 @@ NanodeUIP::NanodeUIP(void) {
 }
 
 void NanodeUIP::init(const byte *macaddr) {
+  init(macaddr, NANODE_DEFAULT_CS);
+}
+
+void NanodeUIP::init(const byte *macaddr, int cs) {
   const struct uip_eth_addr *mac=(struct uip_eth_addr *)macaddr;
 
   uip_setethaddr((*mac));
   enc28j60SpiInit();
-  enc28j60InitWithCs(macaddr, 8);
+  enc28j60InitWithCs(macaddr, cs);
   enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
   delay(10);
   timer_set(&periodic_timer, CLOCK_SECOND / 2);
diff --git a/NanodeUIP.h b/NanodeUIP.h
index 620a854..16801ae 100644
--- a/NanodeUIP.h
+++ b/NanodeUIP.h
@@ -7,6 +7,8 @@
   #include <WProgram.h> // Arduino 0022
 #endif
 
+#define NANODE_DEFAULT_CS 8
+
 #include "uip.h"
 #include "timer.h"
 
@@ -33,6 +35,7 @@ class NanodeUIP {
   NanodeUIP(void);
 
   void init(const byte *macaddr); // Call in setup()
+  void init(const byte *macaddr, int cs);
   void poll(void); // Must be called regularly in your sketch's loop()
 
   /* Link status functions */