diff --git a/lib/pstore.rb b/lib/pstore.rb
index 7b7080338e..0d635c4ac2 100644
--- a/lib/pstore.rb
+++ b/lib/pstore.rb
@@ -431,7 +431,7 @@ class PStore
   def on_windows?
     is_windows = RUBY_PLATFORM =~ /mswin/  ||
                  RUBY_PLATFORM =~ /mingw/  ||
-                 RUBY_PLATFORM =~ /bbcwin/ ||
+                 RUBY_PLATFORM =~ /bccwin/ ||
                  RUBY_PLATFORM =~ /wince/
     self.class.__send__(:define_method, :on_windows?) do
       is_windows