diff --git a/build/fbcode_builder/CMake/fb_py_win_main.c b/build/fbcode_builder/CMake/fb_py_win_main.c
index 200811bca..8b99e4c3d 100644
--- a/build/fbcode_builder/CMake/fb_py_win_main.c
+++ b/build/fbcode_builder/CMake/fb_py_win_main.c
@@ -53,8 +53,12 @@ int locate_py_main(int argc, wchar_t** argv) {
 
   // last added directory has highest priority
   add_search_path(L"C:\\Python36\\");
+  add_search_path(L"C:\\tools\\fb-python\\fb-python36\\");
   add_search_path(L"C:\\Python37\\");
+  add_search_path(L"C:\\tools\\fb-python\\fb-python37\\");
   add_search_path(L"C:\\Python38\\");
+  add_search_path(L"C:\\tools\\fb-python\\fb-python38\\");
+  add_search_path(L"C:\\tools\\fb-python\\fb-python39\\");
 
   python_dll =
       LoadLibraryExW(L"python3.dll", NULL, LOAD_LIBRARY_SEARCH_DEFAULT_DIRS);