diff --git a/ChangeLog b/ChangeLog
index 9df2626936..1bd54d8419 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Thu Nov 28 02:40:42 2002  Akinori MUSHA  <knu@iDaemons.org>
+
+	* lib/mkmf.rb: Make sure to dig the destination directory before
+	  installing a file there.  Formerly "make install" could fail
+	  depending on make(1)'s mood of the moment, especially when -jN
+	  is given.
+
 Wed Nov 27 17:39:38 2002  Akinori MUSHA  <knu@iDaemons.org>
 
 	* ext/syslog/syslog.c: Cut redundancy.
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 33ab04c7cb..57005836aa 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -700,7 +700,7 @@ clean::
     f = "$(DLLIB)"
     dest = "#{dir}/#{f}"
     mfile.print "install: #{dest}\n"
-    mfile.print "#{dest}: #{f}\n\t@$(INSTALL_PROG) #{f} #{dir}\n"
+    mfile.print "#{dest}: #{f} #{dir}\n\t@$(INSTALL_PROG) #{f} #{dir}\n"
   end
   for i in [[["lib/**/*.rb", "$(RUBYLIBDIR)", "lib"]], $INSTALLFILES]
     files = install_files(mfile, i, nil, srcprefix) or next
@@ -712,7 +712,7 @@ clean::
       files.each do |f|
 	dest = "#{dir}/#{File.basename(f)}"
 	mfile.print("install: #{dest}\n")
-	mfile.print("#{dest}: #{f}\n\t@$(INSTALL_DATA) #{f} #{dir}\n")
+	mfile.print("#{dest}: #{f} #{dir}\n\t@$(INSTALL_DATA) #{f} #{dir}\n")
       end
     end
   end