diff --git a/ChangeLog b/ChangeLog
index 4aa364a275..c637fec6c8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Nov 20 10:14:22 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* thread.c (rb_thread_s_check_interrupt): removed redundant
+	  GET_THREAD().
+
 Tue Nov 20 10:12:46 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* thread.c (rb_threadptr_async_errinfo_active_p): added a small
diff --git a/thread.c b/thread.c
index 38251afd56..0ab92e5182 100644
--- a/thread.c
+++ b/thread.c
@@ -1682,12 +1682,12 @@ check_interrupt_func(rb_thread_t *cur_th)
 static VALUE
 rb_thread_s_check_interrupt(VALUE self)
 {
-    rb_thread_t *th = GET_THREAD();
+    rb_thread_t *cur_th = GET_THREAD();
 
-    if (!rb_threadptr_async_errinfo_empty_p(th)) {
+    if (!rb_threadptr_async_errinfo_empty_p(cur_th)) {
 	VALUE mask = rb_hash_new();
 	rb_hash_aset(mask, rb_cObject, ID2SYM(rb_intern("immediate")));
-	rb_threadptr_interrupt_mask(GET_THREAD(), mask, check_interrupt_func);
+	rb_threadptr_interrupt_mask(cur_th, mask, check_interrupt_func);
     }
 
     return Qnil;