diff --git a/tests/periph_timer/Makefile b/tests/periph_timer/Makefile
index 07e78eaaca4cd67738530d4cc4b0bf4e6a0d54e7..c4e83b450659c2eccd9539213f7e3854dd7ba9f5 100644
--- a/tests/periph_timer/Makefile
+++ b/tests/periph_timer/Makefile
@@ -8,6 +8,8 @@ TEST_ON_CI_WHITELIST += all
 
 ifneq (,$(filter arduino-duemilanove arduino-mega2560 arduino-uno waspmote-pro,$(BOARD)))
   TIMER_SPEED ?= 250000
+else ifneq (,$(filter hifive1,$(BOARD)))
+  TIMER_SPEED ?= 32768
 endif
 
 TIMER_SPEED ?= 1000000