diff --git a/src/devices/cpu/mb88xx/mb88xx.h b/src/devices/cpu/mb88xx/mb88xx.h
index b8569a317f8..25264d3db5d 100644
--- a/src/devices/cpu/mb88xx/mb88xx.h
+++ b/src/devices/cpu/mb88xx/mb88xx.h
@@ -11,7 +11,7 @@
               ___________                         ___________
        EX  1 |]          | 42 Vcc          EX  1 |]          | 28 Vcc
         X  2 |]          | 41 K3            X  2 |]          | 27 K3
-   _RESET  3 |]          | 40 K2       _RESET  3 |]          | 26 K1
+   _RESET  3 |]          | 40 K2       _RESET  3 |]          | 26 K2
      _IRQ  4 |]          | 39 K1           O0  4 |]          | 25 K1
        SO  5 |]          | 38 K0           O1  5 |]          | 24 K0
        SI  6 |]          | 37 R15          O2  6 |]          | 23 R10/_IRQ