diff --git a/ChangeLog b/ChangeLog
index 39a29bacd3..ca0faa01d8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Sep 27 03:12:40 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/socket/socket.c (host_str): numeric address should be unsigned.
+	  [ruby-core:18971]
+
 Fri Sep 26 18:24:28 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* misc/ruby-mode.el: safe custimizable variables.
diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index 202e4b3431..9385ad714e 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -840,7 +840,7 @@ host_str(host, hbuf, len)
 	return NULL;
     }
     else if (rb_obj_is_kind_of(host, rb_cInteger)) {
-	long i = NUM2LONG(host);
+	unsigned long i = NUM2ULONG(host);
 
 	make_inetaddr(htonl(i), hbuf, len);
 	return hbuf;
diff --git a/version.h b/version.h
index 60adfbcede..d295e558d2 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.8.7"
-#define RUBY_RELEASE_DATE "2008-09-26"
+#define RUBY_RELEASE_DATE "2008-09-27"
 #define RUBY_VERSION_CODE 187
-#define RUBY_RELEASE_CODE 20080926
+#define RUBY_RELEASE_CODE 20080927
 #define RUBY_PATCHLEVEL 5000
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 7
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 9
-#define RUBY_RELEASE_DAY 26
+#define RUBY_RELEASE_DAY 27
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];