diff --git a/sys/net/gnrc/netif/gnrc_netif_device_type.c b/sys/net/gnrc/netif/gnrc_netif_device_type.c
index 417371a9592adf2c2ffb4cd8f8e718baa11c41cd..4321706fed8b7cc35a944c8c5cf0f0a5b773dc0c 100644
--- a/sys/net/gnrc/netif/gnrc_netif_device_type.c
+++ b/sys/net/gnrc/netif/gnrc_netif_device_type.c
@@ -123,15 +123,15 @@ void gnrc_netif_ipv6_init_mtu(gnrc_netif_t *netif)
 }
 
 #if defined(MODULE_CC110X) || defined(MODULE_NRFMIN)
-static void _create_iid_from_short(const uint8_t *addr, size_t addr_len,
-                                   eui64_t *iid)
+static void _create_eui64_from_short(const uint8_t *addr, size_t addr_len,
+                                     eui64_t *eui64)
 {
     const unsigned offset = sizeof(eui64_t) - addr_len;
 
-    memset(iid->uint8, 0, sizeof(iid->uint8));
-    iid->uint8[3] = 0xff;
-    iid->uint8[4] = 0xfe;
-    memcpy(&iid->uint8[offset], addr, addr_len);
+    memset(eui64->uint8, 0, sizeof(eui64->uint8));
+    eui64->uint8[3] = 0xff;
+    eui64->uint8[4] = 0xfe;
+    memcpy(&eui64->uint8[offset], addr, addr_len);
 }
 #endif /* defined(MODULE_CC110X) || defined(MODULE_NRFMIN) */
 
@@ -168,7 +168,7 @@ int gnrc_netif_ipv6_iid_from_addr(const gnrc_netif_t *netif,
             case NETDEV_TYPE_CC110X:
             case NETDEV_TYPE_NRFMIN:
                 if (addr_len <= 3) {
-                    _create_iid_from_short(addr, addr_len, iid);
+                    _create_eui64_from_short(addr, addr_len, iid);
                     return sizeof(eui64_t);
                 }
                 else {