diff --git a/scripts/symbols/generate_ctags_symbols.php b/scripts/symbols/generate_ctags_symbols.php
index 15bc14b48..9a8ee3060 100755
--- a/scripts/symbols/generate_ctags_symbols.php
+++ b/scripts/symbols/generate_ctags_symbols.php
@@ -1,124 +1,124 @@
 #!/usr/bin/env php
 <?php
 
 $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
 if (ctags_check_executable() == false) {
   echo phutil_console_format(
     "Could not find Exuberant ctags. Make sure it is installed and\n".
     "available in executable path.\n\n".
     "Exuberant ctags project page: http://ctags.sourceforge.net/\n");
   exit(1);
 }
 
 if ($argc !== 1 || posix_isatty(STDIN)) {
   echo phutil_console_format(
     "usage: find . -type f -name '*.py' | ./generate_ctags_symbols.php\n");
   exit(1);
 }
 
 $input = file_get_contents('php://stdin');
 $input = trim($input);
 $input = explode("\n", $input);
 
 $data = array();
 $futures = array();
 
 foreach ($input as $file) {
   $file = Filesystem::readablePath($file);
   $futures[$file] = ctags_get_parser_future($file);
 }
 
 foreach (Futures($futures)->limit(8) as $file => $future) {
   $tags = $future->resolve();
   $tags = explode("\n", $tags[1]);
 
   foreach ($tags as $tag) {
     $parts = explode(";", $tag);
     // skip lines that we can not parse
     if (count($parts) < 2) {
       continue;
     }
 
     // split ctags information
     $tag_info = explode("\t", $parts[0]);
     // split exuberant ctags "extension fields" (additional information)
     $parts[1] = trim($parts[1], "\t \"");
     $extension_fields = explode("\t", $parts[1]);
 
     // skip lines that we can not parse
     if (count($tag_info) < 3 || count($extension_fields) < 2) {
       continue;
     }
 
     // default $context to empty
     $extension_fields[] = '';
     list($token, $file_path, $line_num) = $tag_info;
     list($type, $language, $context) = $extension_fields;
 
     // skip lines with tokens containing a space
     if (strpos($token, ' ') !== false) {
       continue;
     }
 
     // strip "language:"
     $language = substr($language, 9);
 
     // To keep consistent with "Separate with commas, for example: php, py"
     // in Arcanist Project edit form.
     $language = str_ireplace("python", "py", $language);
 
     // also, "normalize" c++ and c#
     $language = str_ireplace("c++", "cpp", $language);
-    $language = str_ireplace("c#", "csharp", $language);
+    $language = str_ireplace("c#", "cs", $language);
 
     // Ruby has "singleton method", for example
     $type = substr(str_replace(' ', '_', $type), 0, 12);
     // class:foo, struct:foo, union:foo, enum:foo, ...
     $context = last(explode(':', $context, 2));
 
     $ignore = array(
       'variable' => true,
     );
     if (empty($ignore[$type])) {
       print_symbol($file_path, $line_num, $type, $token, $context, $language);
     }
   }
 }
 
 function ctags_get_parser_future($file_path) {
   $future = new ExecFuture('ctags -n --fields=Kls -o - %s',
                            $file_path);
   return $future;
 }
 
 function ctags_check_executable() {
   $future = new ExecFuture('ctags --version');
   $result = $future->resolve();
 
   if (empty($result[1])) {
     return false;
   }
 
   return true;
 }
 
 function print_symbol($file, $line_num, $type, $token, $context, $language) {
   // get rid of relative path
   $file = explode('/', $file);
   if ($file[0] == '.' || $file[0] == "..") {
     array_shift($file);
   }
   $file = '/' . implode('/', $file);
 
   $parts = array(
     $context,
     $token,
     $type,
     strtolower($language),
     $line_num,
     $file,
   );
   echo implode(' ', $parts)."\n";
 }