diff --git a/ChangeLog b/ChangeLog
index 609ab87068..2f7288910a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Mar  9 00:15:52 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/extmk.rb: workaround for nmake.
+
 Tue Mar  8 23:49:45 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* process.c (proc_setgroups): cleanup.
diff --git a/ext/extmk.rb b/ext/extmk.rb
index 718fc8e3ae..41d379fb27 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -576,7 +576,7 @@ end
 $mflags.unshift("topdir=#$topdir")
 ENV.delete("RUBYOPT")
 if $configure_only and $command_output
-  exts.map! {|d| "ext/#{d}"}
+  exts.map! {|d| "ext/#{d}/"}
   open($command_output, "wb") do |mf|
     mf.puts "V = 0"
     mf.puts "Q1 = $(V:1=)"
@@ -598,11 +598,11 @@ if $configure_only and $command_output
     mf.puts
     targets = %w[all install static install-so install-rb clean distclean realclean]
     targets.each do |target|
-      mf.puts "#{target}: $(extensions:=/#{target})"
+      mf.puts "#{target}: $(extensions:/=/#{target})"
     end
     mf.puts
     mf.puts "all: #{rubies.join(' ')}"
-    mf.puts "#{rubies.join(' ')}: $(extensions:=/all)"
+    mf.puts "#{rubies.join(' ')}: $(extensions:/=/all)"
     rubies.each do |target|
       mf.puts "#{target}:\n\t$(Q)$(MAKE) $(MFLAGS) $@"
     end
@@ -610,7 +610,7 @@ if $configure_only and $command_output
     exec = config_string("exec") {|s| s + " "}
     targets.each do |target|
       exts.each do |d|
-        mf.puts "#{d}/#{target}:\n\t$(Q)cd $(@D) && #{exec}$(MAKE) $(MFLAGS) $(@F)"
+        mf.puts "#{d}#{target}:\n\t$(Q)cd $(@D) && #{exec}$(MAKE) $(MFLAGS) $(@F)"
       end
     end
   end
diff --git a/version.h b/version.h
index 352bb2ce10..5ca34b8cda 100644
--- a/version.h
+++ b/version.h
@@ -1,11 +1,11 @@
 #define RUBY_VERSION "1.9.3"
-#define RUBY_RELEASE_DATE "2011-03-08"
+#define RUBY_RELEASE_DATE "2011-03-09"
 #define RUBY_PATCHLEVEL -1
 #define RUBY_BRANCH_NAME "trunk"
 
 #define RUBY_RELEASE_YEAR 2011
 #define RUBY_RELEASE_MONTH 3
-#define RUBY_RELEASE_DAY 8
+#define RUBY_RELEASE_DAY 9
 
 #include "ruby/version.h"