diff --git a/ChangeLog b/ChangeLog
index 82089cded1..cdc12c89c4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Jul  1 12:44:56 2005  Tanaka Akira  <akr@m17n.org>
+
+	* lib/open-uri.rb (OpenURI.open_http): refine post_connection_check 
+	  call.
+
 Fri Jul  1 11:34:08 2005  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* missing/crypt.c: replaced with 4.4BSD version.
diff --git a/lib/open-uri.rb b/lib/open-uri.rb
index ce96e5b1c9..a5459c25c0 100644
--- a/lib/open-uri.rb
+++ b/lib/open-uri.rb
@@ -243,10 +243,15 @@ module OpenURI
 
     resp = nil
     http.start {
-      if http.respond_to?(:verify_mode) &&
-         (http.verify_mode & OpenSSL::SSL::VERIFY_PEER) != 0
+      if target.class == URI::HTTPS
         # xxx: information hiding violation
-        http.instance_variable_get(:@socket).io.post_connection_check(target_host)
+        sock = http.instance_variable_get(:@socket)
+        if sock.respond_to?(:io)
+          sock = sock.io # 1.9
+        else
+          sock = sock.instance_variable_get(:@socket) # 1.8
+        end
+        sock.post_connection_check(target_host)
       end
       req = Net::HTTP::Get.new(request_uri, header)
       if options.include? :http_basic_authentication