diff --git a/REST/functions.php b/REST/functions.php
index 1699a7e5..8a62b727 100644
--- a/REST/functions.php
+++ b/REST/functions.php
@@ -278,7 +278,7 @@ INNER JOIN ecminvoiceoutitems AS ii
 INNER JOIN ecmproducts AS p
         ON ii.ecmproduct_id = p.id
        AND p.deleted = 0
-INNER JOIN currencies AS cur
+LEFT JOIN currencies AS cur
         ON cur.id = i.currency_id
        AND cur.deleted = 0
 LEFT JOIN ecmproductcategories_bean AS cb
@@ -324,7 +324,7 @@ INNER JOIN ecminvoiceoutitems AS ii
 INNER JOIN ecmproducts AS p
         ON ii.ecmproduct_id = p.id
        AND p.deleted = 0
-INNER JOIN currencies AS cur
+LEFT JOIN currencies AS cur
         ON cur.id = i.currency_id
        AND cur.deleted = 0
 LEFT JOIN ecmproductcategories_bean AS cb
@@ -375,7 +375,7 @@ INNER JOIN ecmproducts AS p
 INNER JOIN ecminvoiceouts AS oi
         ON oi.id = i.ecminvoiceout_id
        AND oi.deleted = 0
-INNER JOIN currencies AS cur
+LEFT JOIN currencies AS cur
         ON cur.id = i.currency_id
        AND cur.deleted = 0
 LEFT JOIN ecmproductcategories_bean AS cb
@@ -427,7 +427,7 @@ INNER JOIN ecmproducts AS p
 INNER JOIN ecminvoiceouts AS oi
         ON oi.id = i.ecminvoiceout_id
        AND oi.deleted = 0
-INNER JOIN currencies AS cur
+LEFT JOIN currencies AS cur
         ON cur.id = i.currency_id
        AND cur.deleted = 0
 LEFT JOIN ecmproductcategories_bean AS cb