diff --git a/src/lib/models/basket.php b/src/lib/models/basket.php
index 45d4ddc..05664de 100644
--- a/src/lib/models/basket.php
+++ b/src/lib/models/basket.php
@@ -318,12 +318,12 @@ class basket extends \db
     public function getAbandonedUsers() {
 
         return $this->get(
-            '
+            "
                 SELECT user_id
                 FROM public.basket
                 WHERE
-                  last_mod::date < (CURRENT_DATE - INTERVAL 1 day)::date
-            ',
+                  last_mod::date < (CURRENT_DATE - INTERVAL '1 day')::date
+            ",
             [],
             -1
         );
--
libgit2 0.21.4