diff --git a/ChangeLog b/ChangeLog
index 3aef4dde94..8c2a38e716 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Apr  3 20:27:37 2013  Tanaka Akira  <akr@fsij.org>
+
+	* ext/extmk.rb (extmake): Invoke Logging::log_close in a ensure
+	  clause.
+
 Wed Apr  3 18:53:58 2013  Tanaka Akira  <akr@fsij.org>
 
 	* ext/extmk.rb (extmake): Use Logging.open to switch stdout and
diff --git a/ext/extmk.rb b/ext/extmk.rb
index 737e998b28..1a318b38a1 100755
--- a/ext/extmk.rb
+++ b/ext/extmk.rb
@@ -230,10 +230,8 @@ def extmake(target)
       Logging::message(mess) if Logging.log_opened?
       print(mess)
       $stdout.flush
-      Logging::log_close
       return true
     end
-    Logging::log_close
     args = sysquote($mflags)
     unless $destdir.to_s.empty? or $mflags.defined?("DESTDIR")
       args += [sysquote("DESTDIR=" + relative_from($destdir, "../"+prefix))]
@@ -265,6 +263,7 @@ def extmake(target)
       $extpath |= $LIBPATH
     end
   ensure
+    Logging::log_close
     unless $ignore
       RbConfig.module_eval {
 	remove_const(:CONFIG)