diff --git a/src/applications/legalpad/xaction/LegalpadDocumentTextTransaction.php b/src/applications/legalpad/xaction/LegalpadDocumentTextTransaction.php
index 7c28002da2..b54ad56b90 100644
--- a/src/applications/legalpad/xaction/LegalpadDocumentTextTransaction.php
+++ b/src/applications/legalpad/xaction/LegalpadDocumentTextTransaction.php
@@ -19,7 +19,7 @@ final class LegalpadDocumentTextTransaction
   public function getTitle() {
     $old = $this->getOldValue();
 
-    if (!strlen($old)) {
+    if (!phutil_nonempty_string($old)) {
       return pht(
         '%s set the document text.',
         $this->renderAuthor());