diff --git a/test/python/CMakeLists.txt b/test/python/CMakeLists.txt
index 813f28c5..e4a2c0c6 100644
--- a/test/python/CMakeLists.txt
+++ b/test/python/CMakeLists.txt
@@ -10,6 +10,6 @@ set(all_tests Toto chain)
 foreach(test ${all_tests})
   get_filename_component(test_name ${test} NAME_WE)
   get_filename_component(test_dir ${test} DIRECTORY)
-  add_test(NAME ${test_name} COMMAND ${TRIQS_PYTHON_INTERPRETER} ${CMAKE_CURRENT_SOURCE_DIR}/${test_dir}/${test_name}.py WORKING_DIRECTORY test/python/${test_dir})
+  add_test(NAME ${test_name} COMMAND ${TRIQS_PYTHON_INTERPRETER} ${CMAKE_CURRENT_SOURCE_DIR}/${test_dir}/${test_name}.py WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${test_dir})
   set_property(TEST ${test_name} APPEND PROPERTY ENVIRONMENT PYTHONPATH=${CMAKE_BINARY_DIR}/python:$ENV{PYTHONPATH} ${SANITIZER_RT_PRELOAD})
 endforeach()