diff --git a/python/paddle/fluid/tests/CMakeLists.txt b/python/paddle/fluid/tests/CMakeLists.txt
index d6568cd38e714bf9eb9d34da8a1c6a5cdb6677e3..205ac2a9ab4b9c0fedea0bac4d8d81dc0f74a824 100644
--- a/python/paddle/fluid/tests/CMakeLists.txt
+++ b/python/paddle/fluid/tests/CMakeLists.txt
@@ -1,7 +1,7 @@
 if(NOT APPLE)
   set(PYTHON_TESTS_DIR ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH "python tests directory")
 else()
-  set(PYTHON_TESTS_DIR ${PADDLE_BINARY_DIR}/python/paddle/fluid/tests)
+  set(PYTHON_TESTS_DIR ${PADDLE_BINARY_DIR}/python/paddle/fluid/tests CACHE INTERNAL "python tests directory")
 endif(NOT APPLE)
 
 file(GLOB TEST_OPS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "test_*.py")