1 files changed, 1 insertions, 3 deletions
diff --git a/lib/Db/Item.php b/lib/Db/Item.php
index c1366bb8c..8c46a4973 100644
--- a/lib/Db/Item.php
+++ b/lib/Db/Item.php
@@ -181,9 +181,7 @@ class Item extends Entity implements IAPI, \JsonSerializable
         $search_string = "";
 
         foreach ($input_list as $value) {
-            if (is_null($value)) {
-                $search_string .= "";
-            } else {
+            if (!is_null($value)) {
                 $search_string .= html_entity_decode($value);
             }
         }