diff --git a/ChangeLog b/ChangeLog
index 59bec785bc..a90bf08e56 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu May 16 02:03:39 2013  Tanaka Akira  <akr@fsij.org>
+
+	* ext/socket/depend: Add a dependency for ifaddr.o.
+
 Thu May 16 01:44:45 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (verconf.h): $< cannot be used in explicit rules with
diff --git a/ext/socket/depend b/ext/socket/depend
index b3e9f0a331..c5bac23e7d 100644
--- a/ext/socket/depend
+++ b/ext/socket/depend
@@ -9,6 +9,7 @@ init.o: init.c $(SOCK_HEADERS)
 constants.o: constants.c constdefs.c $(SOCK_HEADERS)
 basicsocket.o: basicsocket.c $(SOCK_HEADERS)
 socket.o: socket.c $(SOCK_HEADERS)
+ifaddr.o: ipsocket.c $(SOCK_HEADERS)
 ipsocket.o: ipsocket.c $(SOCK_HEADERS)
 tcpsocket.o: tcpsocket.c $(SOCK_HEADERS)
 tcpserver.o: tcpserver.c $(SOCK_HEADERS)