diff --git a/tests/amr/data/field/coarsening/CMakeLists.txt b/tests/amr/data/field/coarsening/CMakeLists.txt
index 9f8da258c..40bf37eb7 100644
--- a/tests/amr/data/field/coarsening/CMakeLists.txt
+++ b/tests/amr/data/field/coarsening/CMakeLists.txt
@@ -33,6 +33,6 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
 
 add_custom_command(TARGET ${PROJECT_NAME}
                    PRE_BUILD
-                   COMMAND "PYTHONPATH=${CMAKE_BINARY_DIR}:${PHARE_PYTHONPATH}" ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_coarsen_field.py ${CMAKE_CURRENT_BINARY_DIR})
+                   COMMAND "PYTHONPATH=${CMAKE_BINARY_DIR}:${PHARE_PYTHONPATH}" ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_coarsen_field.py ${CMAKE_CURRENT_BINARY_DIR})
 
 add_no_mpi_phare_test(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/tests/core/data/gridlayout/CMakeLists.txt b/tests/core/data/gridlayout/CMakeLists.txt
index ace564f49..92bf68d80 100644
--- a/tests/core/data/gridlayout/CMakeLists.txt
+++ b/tests/core/data/gridlayout/CMakeLists.txt
@@ -42,7 +42,7 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
 
 add_custom_command(TARGET ${PROJECT_NAME}
   PRE_BUILD
-  COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/gridlayout_generate_test_files.py
+  COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/gridlayout_generate_test_files.py
   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
 
 add_no_mpi_phare_test(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/tests/core/numerics/ampere/CMakeLists.txt b/tests/core/numerics/ampere/CMakeLists.txt
index 0517b8dc7..11611247f 100644
--- a/tests/core/numerics/ampere/CMakeLists.txt
+++ b/tests/core/numerics/ampere/CMakeLists.txt
@@ -16,6 +16,6 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
 
 add_custom_command(TARGET test-ampere
                    PRE_BUILD
-                   COMMAND  "PYTHONPATH=${PHARE_PYTHONPATH}" ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_ampere.py ${CMAKE_CURRENT_BINARY_DIR})
+                   COMMAND  "PYTHONPATH=${PHARE_PYTHONPATH}" ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_ampere.py ${CMAKE_CURRENT_BINARY_DIR})
 
 add_no_mpi_phare_test(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/tests/core/numerics/faraday/CMakeLists.txt b/tests/core/numerics/faraday/CMakeLists.txt
index f9486c334..1cbff57f1 100644
--- a/tests/core/numerics/faraday/CMakeLists.txt
+++ b/tests/core/numerics/faraday/CMakeLists.txt
@@ -16,6 +16,6 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
 
 add_custom_command(TARGET test-faraday
                    PRE_BUILD
-                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_faraday.py ${CMAKE_CURRENT_BINARY_DIR})
+                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_faraday.py ${CMAKE_CURRENT_BINARY_DIR})
 
 add_no_mpi_phare_test(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/tests/core/numerics/interpolator/CMakeLists.txt b/tests/core/numerics/interpolator/CMakeLists.txt
index d6b3cfb65..ecda5438c 100644
--- a/tests/core/numerics/interpolator/CMakeLists.txt
+++ b/tests/core/numerics/interpolator/CMakeLists.txt
@@ -16,7 +16,7 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
 
 add_custom_command(TARGET test-interpolator
                    PRE_BUILD
-                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/interpolator_test.py ${CMAKE_CURRENT_BINARY_DIR})
+                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/interpolator_test.py ${CMAKE_CURRENT_BINARY_DIR})
 
 add_no_mpi_phare_test(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})
 
diff --git a/tests/core/numerics/ohm/CMakeLists.txt b/tests/core/numerics/ohm/CMakeLists.txt
index 87e8a8766..302b65c92 100644
--- a/tests/core/numerics/ohm/CMakeLists.txt
+++ b/tests/core/numerics/ohm/CMakeLists.txt
@@ -16,6 +16,6 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
 
 add_custom_command(TARGET test-ohm
                    PRE_BUILD
-                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_ohm.py ${CMAKE_CURRENT_BINARY_DIR})
+                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_ohm.py ${CMAKE_CURRENT_BINARY_DIR})
 
 add_no_mpi_phare_test(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})
diff --git a/tests/core/numerics/pusher/CMakeLists.txt b/tests/core/numerics/pusher/CMakeLists.txt
index 138946b05..a20b4dd9d 100644
--- a/tests/core/numerics/pusher/CMakeLists.txt
+++ b/tests/core/numerics/pusher/CMakeLists.txt
@@ -16,6 +16,6 @@ target_link_libraries(${PROJECT_NAME} PRIVATE
 
 add_custom_command(TARGET test-pusher
                    PRE_BUILD
-                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_pusher.py ${CMAKE_CURRENT_BINARY_DIR})
+                   COMMAND "PYTHONPATH=${PHARE_PYTHONPATH}" ${Python_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/test_pusher.py ${CMAKE_CURRENT_BINARY_DIR})
 
 add_no_mpi_phare_test(${PROJECT_NAME} ${CMAKE_CURRENT_BINARY_DIR})