1 files changed, 1 insertions, 0 deletions

diff --git a/thread.c b/thread.c
index 78d7d8b54c..14c2a89e42 100644
--- a/thread.c
+++ b/thread.c
@@ -3525,6 +3525,7 @@ void
 Init_Thread(void)
 {
 #undef rb_intern
+#define rb_intern(str) rb_intern_const(str)
 
     VALUE cThGroup;