diff --git a/build/tools/build-wxwidgets.py b/build/tools/build-wxwidgets.py
index c767b72415..7777b40ded 100755
--- a/build/tools/build-wxwidgets.py
+++ b/build/tools/build-wxwidgets.py
@@ -214,8 +214,8 @@ def main(scriptName, args):
         "rebake"        : (False, "Regenerate Bakefile and autoconf files"),
         "unicode"       : (False, "Build the library with unicode support"),
         "wxpython"      : (False, "Build the wxWidgets library with all options needed by wxPython"),
-        "cocoa"         : (False, "Build the old Mac Cocoa port."),
-        "osx_cocoa"     : (False, "Build the new Cocoa port"),
+        "osx_cocoa"     : (False, "Build the Cocoa port"),
+        "osx_carbon"    : (False, "Build the Carbon port"),
         "shared"        : (False, "Build wx as a dynamic library"),
         "extra_make"    : ("", "Extra args to pass on [n]make's command line."),
         "features"      : ("", "A comma-separated list of wxUSE_XYZ defines on Win, or a list of configure flags on unix."),
@@ -259,11 +259,10 @@ def main(scriptName, args):
         if options.debug:
             configure_opts.append("--enable-debug")
             
-        if options.cocoa:
-            configure_opts.append("--with-old_cocoa")
-            
         if options.osx_cocoa:
             configure_opts.append("--with-osx_cocoa")
+        elif options.osx_carbon:
+            configure_opts.append("--with-osx_carbon")
             
         if options.gtk3:
             configure_opts.append("--with-gtk=3")