diff --git a/arch/aarch64/bits/hwcap.h b/arch/aarch64/bits/hwcap.h
index 7ab73f99..725afeb2 100644
--- a/arch/aarch64/bits/hwcap.h
+++ b/arch/aarch64/bits/hwcap.h
@@ -48,3 +48,4 @@
 #define HWCAP2_BF16		(1 << 14)
 #define HWCAP2_DGH		(1 << 15)
 #define HWCAP2_RNG		(1 << 16)
+#define HWCAP2_BTI		(1 << 17)