diff --git a/stand/kboot/arch/aarch64/syscall_nr.h b/stand/kboot/arch/aarch64/syscall_nr.h
index 511d1fa8b2a7..79bf22947e94 100644
--- a/stand/kboot/arch/aarch64/syscall_nr.h
+++ b/stand/kboot/arch/aarch64/syscall_nr.h
@@ -1,5 +1,6 @@
 #define SYS_close		 57
 #define	SYS_dup			 23
+#define SYS_exit		 93
 #define SYS_fstat		 80
 #define SYS_getdents64		 61
 #define	SYS_getpid		172
diff --git a/stand/kboot/arch/amd64/syscall_nr.h b/stand/kboot/arch/amd64/syscall_nr.h
index 71930001c1cf..71469109a55e 100644
--- a/stand/kboot/arch/amd64/syscall_nr.h
+++ b/stand/kboot/arch/amd64/syscall_nr.h
@@ -1,5 +1,6 @@
 #define SYS_close		  3
 #define	SYS_dup			 32
+#define	SYS_exit		 60
 #define SYS_getdents64		217
 #define	SYS_getpid		 39
 #define SYS_gettimeofday	 96
diff --git a/stand/kboot/arch/powerpc64/syscall_nr.h b/stand/kboot/arch/powerpc64/syscall_nr.h
index 0702673c7228..7b425e36c517 100644
--- a/stand/kboot/arch/powerpc64/syscall_nr.h
+++ b/stand/kboot/arch/powerpc64/syscall_nr.h
@@ -1,5 +1,6 @@
 #define SYS_close		  6
 #define	SYS_dup			 41
+#define SYS_exit		  1
 #define SYS_fstat		108
 #define SYS_getdents64		202
 #define	SYS_getpid		 20
diff --git a/stand/kboot/host_syscall.h b/stand/kboot/host_syscall.h
index 9f876952641e..09f5355e520d 100644
--- a/stand/kboot/host_syscall.h
+++ b/stand/kboot/host_syscall.h
@@ -155,6 +155,7 @@ struct host_dirent64 {
  */
 int host_close(int fd);
 int host_dup(int fd);
+int host_exit(int code);
 int host_fstat(int fd, struct host_kstat *sb);
 int host_getdents64(int fd, void *dirp, int count);
 int host_getpid(void);
diff --git a/stand/kboot/host_syscalls.c b/stand/kboot/host_syscalls.c
index 52371021f282..8b364083b15c 100644
--- a/stand/kboot/host_syscalls.c
+++ b/stand/kboot/host_syscalls.c
@@ -19,6 +19,12 @@ host_dup(int fd)
 	return host_syscall(SYS_dup, fd);
 }
 
+int
+host_exit(int code)
+{
+	return host_syscall(SYS_exit, code);
+}
+
 /* Same system call with different names on different Linux architectures due to history */
 int
 host_fstat(int fd, struct host_kstat *sb)
diff --git a/stand/kboot/main.c b/stand/kboot/main.c
index 83ad0ceb8a18..5d40e2c3b582 100644
--- a/stand/kboot/main.c
+++ b/stand/kboot/main.c
@@ -303,7 +303,7 @@ main(int argc, const char **argv)
 void
 exit(int code)
 {
-	while (1); /* XXX: host_exit */
+	host_exit(code);
 	__unreachable();
 }