diff --git a/thread_pthread.c b/thread_pthread.c
index eec4bca7ca..4818f61e7a 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -957,7 +957,6 @@ native_thread_create(rb_thread_t *th)
     }
     else {
 	pthread_attr_t attr;
-	pthread_attr_t *const attrp = &attr;
 	const size_t stack_size = th->vm->default_params.thread_machine_stack_size;
 	const size_t space = space_size(stack_size);
 
@@ -979,7 +978,7 @@ native_thread_create(rb_thread_t *th)
 # endif
 	CHECK_ERR(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED));
 
-	err = pthread_create(&th->thread_id, attrp, thread_start_func_1, th);
+	err = pthread_create(&th->thread_id, &attr, thread_start_func_1, th);
 	thread_debug("create: %p (%d)\n", (void *)th, err);
 	/* should be done in the created thread */
 	fill_thread_id_str(th);