diff --git a/src/applications/transactions/editengine/PhabricatorEditEngineSubtype.php b/src/applications/transactions/editengine/PhabricatorEditEngineSubtype.php
--- a/src/applications/transactions/editengine/PhabricatorEditEngineSubtype.php
+++ b/src/applications/transactions/editengine/PhabricatorEditEngineSubtype.php
@@ -89,7 +89,7 @@
   }
 
   public function hasTagView() {
-    return (bool)strlen($this->getTagText());
+    return phutil_nonempty_string($this->getTagText());
   }
 
   public function newTagView() {