diff --git a/src/applications/project/phid/PhabricatorProjectPHIDTypeProject.php b/src/applications/project/phid/PhabricatorProjectPHIDTypeProject.php
index 56165dd3cf..312ead52ea 100644
--- a/src/applications/project/phid/PhabricatorProjectPHIDTypeProject.php
+++ b/src/applications/project/phid/PhabricatorProjectPHIDTypeProject.php
@@ -45,7 +45,7 @@ final class PhabricatorProjectPHIDTypeProject extends PhabricatorPHIDType {
     // NOTE: This explicitly does not match strings which contain only
     // digits, because digit strings like "#123" are used to reference tasks at
     // Facebook and are somewhat conventional in general.
-    return '[^\s.!,:;]*[^\s\d.!,:;]+[^\s.!,:;]*';
+    return '[^\s.!,:;{}#]*[^\s\d.!,:;{}#]+[^\s.!,:;{}#]*';
   }
 
   public function canLoadNamedObject($name) {