diff --git a/src/initrd/nmi-cmdline-reader.c b/src/initrd/nmi-cmdline-reader.c
index c7a01aaea1..c32ef1cfea 100644
--- a/src/initrd/nmi-cmdline-reader.c
+++ b/src/initrd/nmi-cmdline-reader.c
@@ -59,6 +59,7 @@ add_conn (GHashTable *connections,
 	g_object_set (setting,
 	              NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO,
 	              NM_SETTING_IP_CONFIG_MAY_FAIL, TRUE,
+	              NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE, (int) NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
 	              NULL);
 
 	setting = nm_setting_connection_new ();
diff --git a/src/initrd/nmi-dt-reader.c b/src/initrd/nmi-dt-reader.c
index 612760de89..d2e571d7a8 100644
--- a/src/initrd/nmi-dt-reader.c
+++ b/src/initrd/nmi-dt-reader.c
@@ -290,6 +290,10 @@ nmi_dt_reader_parse (const char *sysfs_dir)
 	s_ip6 = nm_setting_ip6_config_new ();
 	nm_connection_add_setting (connection, s_ip6);
 
+	g_object_set (s_ip6,
+	              NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE, (int) NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
+	              NULL);
+
 	if (!bootp && dt_get_property (base, "chosen", "bootp-response", NULL, NULL))
 		bootp = TRUE;
 
diff --git a/src/initrd/nmi-ibft-reader.c b/src/initrd/nmi-ibft-reader.c
index 80961c19a6..ffce98fc40 100644
--- a/src/initrd/nmi-ibft-reader.c
+++ b/src/initrd/nmi-ibft-reader.c
@@ -157,6 +157,10 @@ ip_setting_add_from_block (GHashTable *nic,
 	if (!s_ip6) {
 		s_ip6 = (NMSettingIPConfig *) nm_setting_ip6_config_new ();
 		nm_connection_add_setting (connection, (NMSetting *) s_ip6);
+
+		g_object_set (s_ip6,
+		              NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE, (int) NM_SETTING_IP6_CONFIG_ADDR_GEN_MODE_EUI64,
+		              NULL);
 	}
 
 	family = guess_ip_address_family (s_ipaddr);