diff --git a/ChangeLog b/ChangeLog
index 48ef4fc4a1..f45b5b1093 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Sep 17 21:06:03 2007  Minero Aoki  <aamine@loveruby.net>
+
+	* lib/net/http.rb (HTTP::GenericRequest#initialize): check path is
+	  not nil. [ruby-dev:31149]
+
 Mon Sep 17 21:00:51 2007  Minero Aoki  <aamine@loveruby.net>
 
 	* parse.y (ripper): rename event: arglist_* -> args_*.
diff --git a/lib/net/http.rb b/lib/net/http.rb
index 62b951db1a..6be3a7ca2d 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -1524,6 +1524,7 @@ module Net   #:nodoc:
       @method = m
       @request_has_body = reqbody
       @response_has_body = resbody
+      raise ArgumentError, "no HTTP request path given" unless path
       raise ArgumentError, "HTTP request path is empty" if path.empty?
       @path = path
       initialize_http_header initheader