diff --git a/src/applications/diffusion/conduit/DiffusionFindSymbolsConduitAPIMethod.php b/src/applications/diffusion/conduit/DiffusionFindSymbolsConduitAPIMethod.php
index d6f072a557..646d546d10 100644
--- a/src/applications/diffusion/conduit/DiffusionFindSymbolsConduitAPIMethod.php
+++ b/src/applications/diffusion/conduit/DiffusionFindSymbolsConduitAPIMethod.php
@@ -1,80 +1,86 @@
 <?php
 
 final class DiffusionFindSymbolsConduitAPIMethod
   extends DiffusionConduitAPIMethod {
 
   public function getAPIMethodName() {
     return 'diffusion.findsymbols';
   }
 
   public function getMethodDescription() {
     return pht('Retrieve Diffusion symbol information.');
   }
 
   protected function defineParamTypes() {
     return array(
-      'name'        => 'optional string',
-      'namePrefix'  => 'optional string',
-      'context'     => 'optional string',
-      'language'    => 'optional string',
-      'type'        => 'optional string',
+      'name'           => 'optional string',
+      'namePrefix'     => 'optional string',
+      'context'        => 'optional string',
+      'language'       => 'optional string',
+      'type'           => 'optional string',
+      'repositoryPHID' => 'optional string',
     );
   }
 
   protected function defineReturnType() {
     return 'nonempty list<dict>';
   }
 
   protected function execute(ConduitAPIRequest $request) {
     $name = $request->getValue('name');
     $name_prefix = $request->getValue('namePrefix');
     $context = $request->getValue('context');
     $language = $request->getValue('language');
     $type = $request->getValue('type');
+    $repository = $request->getValue('repositoryPHID');
 
     $query = id(new DiffusionSymbolQuery())
       ->setViewer($request->getUser());
     if ($name !== null) {
       $query->setName($name);
     }
     if ($name_prefix !== null) {
       $query->setNamePrefix($name_prefix);
     }
     if ($context !== null) {
       $query->setContext($context);
     }
     if ($language !== null) {
       $query->setLanguage($language);
     }
     if ($type !== null) {
       $query->setType($type);
     }
+    if ($repository !== null) {
+      $query->withRepositoryPHIDs(array($repository));
+    }
 
     $query->needPaths(true);
     $query->needRepositories(true);
 
     $results = $query->execute();
 
 
     $response = array();
     foreach ($results as $result) {
       $uri = $result->getURI();
       if ($uri) {
         $uri = PhabricatorEnv::getProductionURI($uri);
       }
 
       $response[] = array(
-        'name'        => $result->getSymbolName(),
-        'context'     => $result->getSymbolContext(),
-        'type'        => $result->getSymbolType(),
-        'language'    => $result->getSymbolLanguage(),
-        'path'        => $result->getPath(),
-        'line'        => $result->getLineNumber(),
-        'uri'         => $uri,
+        'name'           => $result->getSymbolName(),
+        'context'        => $result->getSymbolContext(),
+        'type'           => $result->getSymbolType(),
+        'language'       => $result->getSymbolLanguage(),
+        'path'           => $result->getPath(),
+        'line'           => $result->getLineNumber(),
+        'uri'            => $uri,
+        'repositoryPHID' => $result->getRepository()->getPHID(),
       );
     }
 
     return $response;
   }
 
 }