diff --git a/programs/psa/CMakeLists.txt b/programs/psa/CMakeLists.txt
index ab11fbc..c80043b 100644
--- a/programs/psa/CMakeLists.txt
+++ b/programs/psa/CMakeLists.txt
@@ -4,11 +4,16 @@
 add_executable(key_ladder_demo key_ladder_demo.c)
 target_link_libraries(key_ladder_demo mbedtls)
 
-execute_process(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/../../scripts/generate_psa_constants.py)
-
 add_executable(psa_constant_names psa_constant_names.c)
 target_link_libraries(psa_constant_names mbedtls)
 
+add_custom_target(
+    psa_constant_names_generated
+    COMMAND ${PYTHON_EXECUTABLE} scripts/generate_psa_constants.py
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../../
+)
+add_dependencies(psa_constant_names psa_constant_names_generated)
+
 install(TARGETS
             crypto_examples
             key_ladder_demo