diff --git a/include/twl/os/common/system.h b/include/twl/os/common/system.h
index 5ec0aff..244cecb 100644
--- a/include/twl/os/common/system.h
+++ b/include/twl/os/common/system.h
@@ -31,7 +31,7 @@ typedef enum
 {
     OS_CHIPTYPE_PRODUCT = 0,
     OS_CHIPTYPE_DEBUGGER_BOTH = 1,
-    OS_CHIPTYPE_DEBUGGER_ARM9 = 1,
+    OS_CHIPTYPE_DEBUGGER_ARM9 = 2,
     OS_CHIPTYPE_EVALUATE = 3
 }
 OSChipType;