diff --git a/ChangeLog b/ChangeLog
index df38fa6c0d..30fa8b4039 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Feb 20 07:20:56 2013  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* signal.c (sigsegv): suppress unused result warning. Because
+	  write(2) is marked __warn_unused_result__ on Linux glibc.
+
 Sun Feb 24 07:51:28 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* compile.c (iseq_set_arguments): no keyword check if any keyword rest
diff --git a/signal.c b/signal.c
index 4fe942bf30..d3842812fe 100644
--- a/signal.c
+++ b/signal.c
@@ -658,8 +658,10 @@ static RETSIGTYPE
 sigsegv(int sig SIGINFO_ARG)
 {
     if (segv_received) {
+	int RB_UNUSED_VAR(err);
 	char msg[] = "SEGV received in SEGV handler\n";
-	write(2, msg, sizeof(msg));
+
+	err = write(2, msg, sizeof(msg));
 	ruby_abort();
     }