diff --git a/src/lib/models/basket.php b/src/lib/models/basket.php
index 309be85..c3a3d0b 100644
--- a/src/lib/models/basket.php
+++ b/src/lib/models/basket.php
@@ -322,7 +322,7 @@ class basket extends \db
                 SELECT user_id
                 FROM public.basket
                 WHERE
-                  last_mod < CURRENT_TIMESTAMP + INTERVAL 1 DAY
+                  last_mod < CURRENT_TIMESTAMP + INTERVAL "1" DAY
             ',
             [],
             -1
--
libgit2 0.21.4