diff --git a/testing/ostest/ostest.h b/testing/ostest/ostest.h
index 30f16da5d..321ecd2d3 100644
--- a/testing/ostest/ostest.h
+++ b/testing/ostest/ostest.h
@@ -304,7 +304,7 @@ int sem_nfreeholders(void);
 void nxevent_test(void);
 #endif
 
-#if defined(CONFIG_SCHED_EVENTS) && defined(CONFIG_BUILD_FLAT)
+#if defined(CONFIG_HRTIMER) && defined(CONFIG_BUILD_FLAT)
 void hrtimer_test(void);
 #endif