diff --git a/libc/kernel/tools/defaults.py b/libc/kernel/tools/defaults.py
index 773d22f..340af13 100644
--- a/libc/kernel/tools/defaults.py
+++ b/libc/kernel/tools/defaults.py
@@ -53,9 +53,10 @@
     "x86": {},
     }
 
-# Replace tokens in the output according to this mapping
+# Replace tokens in the output according to this mapping.
 kernel_token_replacements = {
-    "asm": "__asm__",
+    # The kernel's ARG_MAX is actually the "minimum" maximum (see fs/exec.c).
+    "ARG_MAX": "_KERNEL_ARG_MAX",
     # The kernel usage of __unused for unused struct fields conflicts with the macro defined in <sys/cdefs.h>.
     "__unused": "__linux_unused",
     # The kernel's _NSIG/NSIG are one less than the userspace value, so we need to move them aside.