diff --git a/mod/display.php b/mod/display.php
index 8af52d6f33..6a07fa1762 100644
--- a/mod/display.php
+++ b/mod/display.php
@@ -41,7 +41,7 @@ function display_init(App $a)
 		}
 	}
 
-	$item = false;
+	$item = null;
 
 	$fields = ['id', 'parent', 'author-id', 'body', 'uid'];