1 files changed, 1 insertions, 1 deletions
diff --git a/instruby.rb b/instruby.rb
index 2903a7c739..305ad905e4 100755
--- a/instruby.rb
+++ b/instruby.rb
@@ -359,7 +359,7 @@ install?(:local, :arch, :lib) do
   if RUBY_PLATFORM =~ /mswin32|mingw|bccwin32/
     win32libdir = File.join(archlibdir, "win32")
     makedirs win32libdir
-    install "win32/win32.h", win32libdir, :mode => $data_mode
+    install File.join(srcdir, "win32", "win32.h"), win32libdir, :mode => $data_mode
   end
 end