diff --git a/modules/item/back/methods/fixed-price/filter.js b/modules/item/back/methods/fixed-price/filter.js
index 9c91886c1e..edc804dc4a 100644
--- a/modules/item/back/methods/fixed-price/filter.js
+++ b/modules/item/back/methods/fixed-price/filter.js
@@ -1,4 +1,3 @@
-
 const ParameterizedSQL = require('loopback-connector').ParameterizedSQL;
 const buildFilter = require('vn-loopback/util/filter').buildFilter;
 const mergeFilters = require('vn-loopback/util/filter').mergeFilters;
@@ -134,7 +133,7 @@ module.exports = Self => {
         const stmts = [];
 
         const stmt = new ParameterizedSQL(`
-            SELECT fp.id,
+            SELECT DISTINCT fp.id,
                 fp.itemFk,
                 fp.warehouseFk,
                 fp.rate2,