diff --git a/scripts/lib/PhutilLibraryMapBuilder.php b/scripts/lib/PhutilLibraryMapBuilder.php
index bd37934f..ef709602 100644
--- a/scripts/lib/PhutilLibraryMapBuilder.php
+++ b/scripts/lib/PhutilLibraryMapBuilder.php
@@ -140,11 +140,15 @@ final class PhutilLibraryMapBuilder {
 
       $this->log("Analyzing {$count} files with {$limit} subprocesses...\n");
 
+      $progress = new PhutilConsoleProgressBar();
+      $progress->setTotal(count($futures));
+
       foreach (Futures($futures)->limit($limit) as $file => $future) {
         $result = $future->resolveJSON();
         if (empty($result['error'])) {
           $symbol_map[$file] = $result;
         } else {
+          $progress->done(false);
           echo phutil_console_format(
             "\n**SYNTAX ERROR!**\nFile: %s\nLine: %d\n\n%s\n",
             Filesystem::readablePath($result['file']),
@@ -152,8 +156,9 @@ final class PhutilLibraryMapBuilder {
             $result['error']);
           exit(1);
         }
-        $this->log('.');
+        $progress->update(1);
       }
+      $progress->done();
       $this->log("\nDone.\n");
     }