diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index a8556692f632ec3000be0c8d8fd43d3b56396afb..a4e36526d9cd21d8ead1487cad4f2d1308c199ba 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1452,8 +1452,8 @@ static void qeth_bridge_emit_host_event(struct qeth_card *card,
 			env[i] = str[i]; i++;
 		}
 		if (code & IPA_ADDR_CHANGE_CODE_MACADDR) {
-			snprintf(str[i], sizeof(str[i]), "MAC=%pM6",
-				&addr_lnid->mac);
+			snprintf(str[i], sizeof(str[i]), "MAC=%pM",
+				 addr_lnid->mac);
 			env[i] = str[i]; i++;
 		}
 		snprintf(str[i], sizeof(str[i]), "NTOK_BUSID=%x.%x.%04x",