diff --git a/src/mame/drivers/naomi.c b/src/mame/drivers/naomi.c
index 0c0aa5408d8..389a3f8719c 100644
--- a/src/mame/drivers/naomi.c
+++ b/src/mame/drivers/naomi.c
@@ -61,7 +61,7 @@ PCB Layout
 |A179B    315-6188.IC31     3771                3773|
 |ADM485  BIOS.IC27   5264165            5264165     |
 |                    5264165  |-----|   5264165     |
-|    CN3                      | SH4 |               |
+|    CN2                      | SH4 |               |
 |                             |     | 33.3333MHZ    |
 |CN26                         |-----|          27MHZ|
 |                                         CY2308SC-3|