diff --git a/force_bdss/core_plugins/dummy_kpi/kpi_adder/kpi_adder_bundle.py b/force_bdss/core_plugins/dummy_kpi/kpi_adder/kpi_adder_bundle.py
index 2968895d546ee53e95834f463a7bba515bd33a71..a06cf885d4a2d581768da6c6b71a21e7208763c9 100644
--- a/force_bdss/core_plugins/dummy_kpi/kpi_adder/kpi_adder_bundle.py
+++ b/force_bdss/core_plugins/dummy_kpi/kpi_adder/kpi_adder_bundle.py
@@ -17,5 +17,5 @@ class KPIAdderBundle(HasStrictTraits):
 
         return KPIAdderModel(self, **model_data)
 
-    def create_data_source(self, application, model):
+    def create_kpi_calculator(self, application, model):
         return KPIAdderCalculator(self, application, model)