diff --git a/libc/kernel/uapi/linux/btf.h b/libc/kernel/uapi/linux/btf.h
index f22d637..7f48b7a 100644
--- a/libc/kernel/uapi/linux/btf.h
+++ b/libc/kernel/uapi/linux/btf.h
@@ -42,7 +42,7 @@
     __u32 type;
   };
 };
-#define BTF_INFO_KIND(info) (((info) >> 24) & 0x0f)
+#define BTF_INFO_KIND(info) (((info) >> 24) & 0x1f)
 #define BTF_INFO_VLEN(info) ((info) & 0xffff)
 #define BTF_INFO_KFLAG(info) ((info) >> 31)
 #define BTF_KIND_UNKN 0
@@ -61,7 +61,8 @@
 #define BTF_KIND_FUNC_PROTO 13
 #define BTF_KIND_VAR 14
 #define BTF_KIND_DATASEC 15
-#define BTF_KIND_MAX BTF_KIND_DATASEC
+#define BTF_KIND_FLOAT 16
+#define BTF_KIND_MAX BTF_KIND_FLOAT
 #define NR_BTF_KINDS (BTF_KIND_MAX + 1)
 #define BTF_INT_ENCODING(VAL) (((VAL) & 0x0f000000) >> 24)
 #define BTF_INT_OFFSET(VAL) (((VAL) & 0x00ff0000) >> 16)