diff --git a/sys/sys/elf_common.h b/sys/sys/elf_common.h
--- a/sys/sys/elf_common.h
+++ b/sys/sys/elf_common.h
@@ -990,8 +990,9 @@
 #define	AT_KPRELOAD	34	/* Base of vdso, preloaded by rtld */
 #define	AT_USRSTACKBASE	35	/* Top of user stack */
 #define	AT_USRSTACKLIM	36	/* Grow limit of user stack */
+#define	AT_CHERI_STATS	37	/* Reserved */
 
-#define	AT_COUNT	37	/* Count of defined aux entry types. */
+#define	AT_COUNT	38	/* Count of defined aux entry types. */
 
 /*
  * Relocation types.