diff --git a/src/applications/pholio/xaction/PholioImageNameTransaction.php b/src/applications/pholio/xaction/PholioImageNameTransaction.php
index 33b01903ee..f4705a98fc 100644
--- a/src/applications/pholio/xaction/PholioImageNameTransaction.php
+++ b/src/applications/pholio/xaction/PholioImageNameTransaction.php
@@ -31,8 +31,8 @@ final class PholioImageNameTransaction
       '%s renamed an image (%s) from %s to %s.',
       $this->renderAuthor(),
       $this->renderHandle(key($new)),
-      $this->renderValue($old),
-      $this->renderValue($new));
+      $this->renderValue((string)head($old)),
+      $this->renderValue((string)head($new)));
   }
 
   public function getTitleForFeed() {