diff --git a/modules/shelving/back/models/parking.json b/modules/shelving/back/models/parking.json
index bb1e02607..53fec6e69 100644
--- a/modules/shelving/back/models/parking.json
+++ b/modules/shelving/back/models/parking.json
@@ -32,7 +32,7 @@
     },
     "relations": {
         "saleGroup": {
-            "type": "hasOne",
+            "type": "hasMany",
             "model": "saleGroup",
             "foreignKey": "parkingFk"
         }
diff --git a/modules/ticket/back/models/saleGroup.json b/modules/ticket/back/models/saleGroup.json
index dd34e450b..d5cf82cb5 100644
--- a/modules/ticket/back/models/saleGroup.json
+++ b/modules/ticket/back/models/saleGroup.json
@@ -18,7 +18,7 @@
     },
     "relations": {
         "saleGroupDetail": {
-            "type": "hasOne",
+            "type": "hasMany",
             "model": "SaleGroupDetail",
             "foreignKey": "saleGroupFk"
         },