1 files changed, 1 insertions, 1 deletions
diff --git a/thread.c b/thread.c
index 1a1d3661c3..8e0bd9db3b 100644
--- a/thread.c
+++ b/thread.c
@@ -3119,7 +3119,7 @@ Init_Thread(void)
 }
 
 int
-is_ruby_native_thread(void)
+ruby_native_thread_p(void)
 {
     rb_thread_t *rb_thread_check_ptr(rb_thread_t *ptr);
     rb_thread_t *th = ruby_thread_from_native();