diff --git a/sys/conf/kern.mk b/sys/conf/kern.mk
--- a/sys/conf/kern.mk
+++ b/sys/conf/kern.mk
@@ -140,6 +140,8 @@
 CFLAGS += -mgeneral-regs-only
 # Reserve x18 for pcpu data
 CFLAGS += -ffixed-x18
+# Build with BTI+PAC
+CFLAGS += -mbranch-protection=standard
 INLINE_LIMIT?=	8000
 .endif