diff --git a/scripts/misaka b/scripts/misaka
index 2fe578f..e9d46ec 100644
--- a/scripts/misaka
+++ b/scripts/misaka
@@ -4,31 +4,7 @@ import sys
 from os import path
 
 from misaka import *
-
-
-extensions = (
-    'tables',
-    'fenced-code',
-    'footnotes',
-    'autolink',
-    'strikethrough',
-    'underline',
-    'highlight',
-    'quote',
-    'superscript',
-    'math',
-    'no-intra-emphasis',
-    'space-headers',
-    'math-explicit',
-    'disable-indented-code',
-)
-
-html_flags = (
-    'skip-html',
-    'escape',
-    'hard-wrap',
-    'use-xhtml',
-)
+from misaka.utils import extension_map, html_flag_map
 
 
 help = '''\
@@ -44,8 +20,8 @@ Other options:
   --smartypants
   -h | --help
 '''.format(
-    '\n'.join(['  --ext-' + a for a in extensions]),
-    '\n'.join(['  --html-' + a for a in html_flags]))
+    '\n'.join(['  --ext-' + a for a in extension_map.keys()]),
+    '\n'.join(['  --html-' + a for a in html_flag_map.keys()]))
 
 
 if __name__ == '__main__':
@@ -62,18 +38,18 @@ if __name__ == '__main__':
             sys.exit(0)
         elif arg == '--smartypants':
             pants_enabled = True
-        elif arg.startswith('--ext'):
-            arg = arg[5:]
-            if not arg[5:] in extensions:
+        elif arg.startswith('--ext-'):
+            arg = arg[6:]
+            if not arg in extension_map:
                 print('--ext-{} is not a valid Markdown extension'.format(arg))
                 sys.exit(1)
             extensions.append(arg)
-        elif arg.startswith('--html'):
-            arg = arg[6:]
-            if not arg[6:] in extensions:
+        elif arg.startswith('--html-'):
+            arg = arg[7:]
+            if not arg in html_flag_map:
                 print('--html-{} is not a valid HTML render flag'.format(arg))
                 sys.exit(1)
-            extensions.append(arg)
+            flags.append(arg)
         else:
             # If it's not a extension or HTML flag,
             # then it must be a file, right?