diff --git a/api/src/Storage/Base.php b/api/src/Storage/Base.php
index 3a6e0081bb..072d3d2de7 100644
--- a/api/src/Storage/Base.php
+++ b/api/src/Storage/Base.php
@@ -492,7 +492,7 @@ class Base
 		$this->init($keys);
 		$this->data2db();
 
-		$query = false;
+		$query = [];
 		foreach ($this->db_key_cols as $db_col => $col)
 		{
 			if ($this->data[$col] != '')