1 files changed, 1 insertions, 0 deletions
diff --git a/inits.c b/inits.c
index d1204c1324..3c2b11c851 100644
--- a/inits.c
+++ b/inits.c
@@ -20,6 +20,7 @@ static void Init_builtin_prelude(void);
 void
 rb_call_inits(void)
 {
+    CALL(default_shapes);
     CALL(Thread_Mutex);
 #if USE_TRANSIENT_HEAP
     CALL(TransientHeap);