diff --git a/tests/ztimer_underflow/Makefile b/tests/ztimer_underflow/Makefile
index 63098523a7..2a44cfd641 100644
--- a/tests/ztimer_underflow/Makefile
+++ b/tests/ztimer_underflow/Makefile
@@ -12,6 +12,10 @@ ifeq ($(TEST_ZTIMER_CLOCK), ZTIMER_MSEC)
     KCONFIG_ADD_CONFIG += $(APPDIR)/app.config.msec.test
   endif
 endif
+ifeq ($(TEST_ZTIMER_CLOCK), ZTIMER_SEC)
+  USEMODULE += ztimer_sec
+  USEMODULE += ztimer_periph_rtc
+endif
 
 CFLAGS += -DTEST_ZTIMER_CLOCK=$(TEST_ZTIMER_CLOCK)