diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 91691a6c004e4dd33d2bb3e9eed8896ee8f3c2a6..65ab64c43b3e59ea16d59844064178bb4f62b2b7 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -4,7 +4,7 @@ menu "Macintosh device drivers"
 
 config ADB
 	bool "Apple Desktop Bus (ADB) support"
-	depends on MAC || PPC_PMAC
+	depends on MAC || (PPC_PMAC && PPC32)
 	help
 	  Apple Desktop Bus (ADB) support is for support of devices which
 	  are connected to an ADB port.  ADB devices tend to have 4 pins.