diff --git a/src/backends/NetworkManagerFrugalware.c b/src/backends/NetworkManagerFrugalware.c
index acb39bf038..5ce281966f 100644
--- a/src/backends/NetworkManagerFrugalware.c
+++ b/src/backends/NetworkManagerFrugalware.c
@@ -228,9 +228,9 @@ void nm_system_device_add_ip6_link_address (NMDevice *dev)
 	struct ether_addr hw_addr;
 	unsigned char eui[8];
 
-	if (nm_device_is_802_3_ethernet (dev))
+	if (NM_IS_DEVICE_802_3_ETHERNET (dev))
 		nm_device_802_3_ethernet_get_address (NM_DEVICE_802_3_ETHERNET (dev), &hw_addr);
-	else if (nm_device_is_802_11_wireless (dev))
+	else if (NM_IS_DEVICE_802_11_WIRELESS (dev))
 		nm_device_802_11_wireless_get_address (NM_DEVICE_802_11_WIRELESS (dev), &hw_addr);
 
 	memcpy (eui, &(hw_addr.ether_addr_octet), sizeof (hw_addr.ether_addr_octet));