1 files changed, 3 insertions, 0 deletions
diff --git a/thread.c b/thread.c
index 5c1deb7448..ec168f2137 100644
--- a/thread.c
+++ b/thread.c
@@ -3256,6 +3256,9 @@ Init_Thread(void)
     }
 
     rb_thread_create_timer_thread();
+
+    (void)native_mutex_trylock;
+    (void)ruby_thread_set_native;
 }
 
 int