diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c
index f8d4613..359452a 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -250,6 +250,9 @@
 	static int found;
 	int err = -ENODEV;
 
+	if (!MACH_IS_SUN3 && !MACH_IS_SUN3X)
+		return ERR_PTR(-ENODEV);
+
 	/* check that this machine has an onboard lance */
 	switch(idprom->id_machtype) {
 	case SM_SUN3|SM_3_50: