diff --git a/headers/os/kernel/OS.h b/headers/os/kernel/OS.h
index 1ca2c335ea..d7648ac9aa 100644
--- a/headers/os/kernel/OS.h
+++ b/headers/os/kernel/OS.h
@@ -611,7 +611,9 @@ typedef enum platform_types {
 	B_HAL_PLATFORM,
 	B_BESM_6_PLATFORM,
 	B_MK_61_PLATFORM,
-	B_NINTENDO_64_PLATFORM
+	B_NINTENDO_64_PLATFORM,
+	B_AMIGA_PLATFORM,
+	B_ATARI_PLATFORM
 } platform_type;
 
 typedef struct {