1 files changed, 1 insertions, 1 deletions
diff --git a/instruby.rb b/instruby.rb
index 6cfa3c572f..0d661d8941 100755
--- a/instruby.rb
+++ b/instruby.rb
@@ -419,7 +419,7 @@ install?(:local, :arch, :lib) do
   Dir.chdir(srcdir)
   makedirs [rubyhdrdir]
   noinst = []
-  unless RUBY_PLATFORM =~ /mswin32|mingw|bccwin32/
+  unless RUBY_PLATFORM =~ /mswin|mingw|bccwin/
     noinst << "win32.h"
   end
   noinst = nil if noinst.empty?