diff --git a/sys/riscv/riscv/timer.c b/sys/riscv/riscv/timer.c
--- a/sys/riscv/riscv/timer.c
+++ b/sys/riscv/riscv/timer.c
@@ -219,6 +219,8 @@
 	sc->et.et_priv = sc;
 	et_register(&sc->et);
 
+	set_cputicker(get_timecount, sc->clkfreq, false);
+
 	return (0);
 }