diff --git a/libc/private/bionic_asm_arm64.h b/libc/private/bionic_asm_arm64.h
index ee51a8e..5d83d9b 100644
--- a/libc/private/bionic_asm_arm64.h
+++ b/libc/private/bionic_asm_arm64.h
@@ -72,7 +72,7 @@
     .popsection;
 
 #define NT_MEMTAG_LEVEL_MASK 3
-#define NT_MEMTAG_LEVEL_DEFAULT 0
+#define NT_MEMTAG_LEVEL_NONE 0
 #define NT_MEMTAG_LEVEL_ASYNC 1
 #define NT_MEMTAG_LEVEL_SYNC 2
 #define NT_MEMTAG_HEAP 4