diff --git a/test/py/CMakeLists.txt b/test/py/CMakeLists.txt
index fbc2217..e9462e7 100644
--- a/test/py/CMakeLists.txt
+++ b/test/py/CMakeLists.txt
@@ -27,7 +27,7 @@
 )
 
 add_test(NAME python_test
-    COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/RunClientServer.py --gen-base=${CMAKE_CURRENT_BINARY_DIR}
+    COMMAND Python3::Interpreter ${CMAKE_CURRENT_SOURCE_DIR}/RunClientServer.py --gen-base=${CMAKE_CURRENT_BINARY_DIR}
     DEPENDS python_test_generate
     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
 )