diff --git a/examples/knxPython/CMakeLists.txt b/examples/knxPython/CMakeLists.txt
index 530629c..8b67bbe 100644
--- a/examples/knxPython/CMakeLists.txt
+++ b/examples/knxPython/CMakeLists.txt
@@ -106,7 +106,8 @@ pybind11_add_module(knx
         ../../src/knx/rf_data_link_layer.h
         ../../src/knx/rf_medium_object.cpp
         ../../src/knx/rf_medium_object.h
-        ../../src/knx/rf_physical_layer.cpp
+        ../../src/knx/rf_physical_layer_cc1101.cpp
+        ../../src/knx/rf_physical_layer_cc1101.h
         ../../src/knx/rf_physical_layer.h
         ../../src/knx/router_object.cpp
         ../../src/knx/router_object.h