diff --git a/03_basics/01_exchange_rates_app/08_exchange_rates_datasource_connection/ExchangeRatesSchema.qsm b/03_basics/01_exchange_rates_app/08_exchange_rates_datasource_connection/ExchangeRatesSchema.qsm
index b39920bf295f7b2257302fc3cf0c10a418cced80..fbd8e757ae3e9691224fe9395a4286bfdd6e02c5 100644
--- a/03_basics/01_exchange_rates_app/08_exchange_rates_datasource_connection/ExchangeRatesSchema.qsm
+++ b/03_basics/01_exchange_rates_app/08_exchange_rates_datasource_connection/ExchangeRatesSchema.qsm
@@ -33,7 +33,7 @@ namespace Private {
             "status": c_varchar(15, True, "input status"),
             "comment": c_varchar(200, False, "input comment"),
         },
-        "primary_key": ("name": "pk_exchange_orders", "columns": ("id")),
+        "primary_key": {"name": "pk_exchange_orders", "columns": ("id")},
     };
 
     const Tables = {