diff --git a/cpu/6502/lib/config.c b/cpu/6502/lib/config.c
index 2da05eb04..a84376313 100644
--- a/cpu/6502/lib/config.c
+++ b/cpu/6502/lib/config.c
@@ -42,21 +42,7 @@
 
 #include "lib/config.h"
 
-struct {
-  uip_ipaddr_t hostaddr;
-  uip_ipaddr_t netmask;
-  uip_ipaddr_t draddr;
-  uip_ipaddr_t resolvaddr;
-  union {
-    struct {
-      uint16_t param;
-#ifndef STATIC_DRIVER
-      char     name[12+1];
-#endif /* !STATIC_DRIVER */
-    }          ethernet;
-    uint8_t    slip[5];
-  };
-} config;
+struct config_t config;
 
 /*-----------------------------------------------------------------------------------*/
 #if LOG_CONF_ENABLED
diff --git a/cpu/6502/lib/config.h b/cpu/6502/lib/config.h
index 85d944f3e..dbc302b19 100644
--- a/cpu/6502/lib/config.h
+++ b/cpu/6502/lib/config.h
@@ -35,7 +35,7 @@
 #ifndef CONFIG_H_
 #define CONFIG_H_
 
-extern struct {
+extern struct config_t {
   uip_ipaddr_t hostaddr;
   uip_ipaddr_t netmask;
   uip_ipaddr_t draddr;