1 files changed, 1 insertions, 0 deletions
diff --git a/vm.c b/vm.c
index 408dc6dc13..2b6a917bbc 100644
--- a/vm.c
+++ b/vm.c
@@ -2262,6 +2262,7 @@ th_init(rb_thread_t *th, VALUE self)
 #if OPT_CALL_THREADED_CODE
     th->retval = Qundef;
 #endif
+    th->name = Qnil;
 }
 
 static VALUE