1 files changed, 1 insertions, 0 deletions
diff --git a/inits.c b/inits.c
index f8eba911d5..b36b162a42 100644
--- a/inits.c
+++ b/inits.c
@@ -65,6 +65,7 @@ rb_call_inits(void)
     CALL(VM);
     CALL(ISeq);
     CALL(Thread);
+    CALL(Scheduler);
     CALL(process);
     CALL(Cont);
     CALL(Rational);