1 files changed, 1 insertions, 0 deletions
diff --git a/inits.c b/inits.c
index f41103ca26..8b66334a4d 100644
--- a/inits.c
+++ b/inits.c
@@ -62,6 +62,7 @@ rb_call_inits(void)
     CALL(Binding);
     CALL(Math);
     CALL(GC);
+    CALL(WeakMap);
     CALL(Enumerator);
     CALL(Ractor);
     CALL(VM);