diff --git a/ChangeLog b/ChangeLog
index 19eda683cc..a949a7025c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Mar 11 00:55:31 2001  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* lib/mkmf.rb (install_rb): fix handling of destination path.
+
 Sat Mar 10 02:34:18 2001  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* math.c (math_log, math_log10): use nan() instead of 0.0/0.0 on Cygwin.
diff --git a/lib/mkmf.rb b/lib/mkmf.rb
index 4eb77a9b13..f3438fbac8 100644
--- a/lib/mkmf.rb
+++ b/lib/mkmf.rb
@@ -155,7 +155,9 @@ def install_rb(mfile, dest, srcdir = nil)
     mfile.printf "\t@$(RUBY) -r ftools -e 'File::makedirs(*ARGV)' %s/%s\n", dest, f
   end
   for f in path
-    mfile.printf "\t@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0644, true)' %s/%s %s\n", libdir, f, dest
+    d = '/' + File::dirname(f)
+    d = '' if d == '/.' 
+    mfile.printf "\t@$(RUBY) -r ftools -e 'File::install(ARGV[0], ARGV[1], 0644, true)' %s/%s %s%s\n", libdir, f, dest, d
   end
 end