diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index b9d5f9173..ed183bc41 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -62,7 +62,7 @@ if (LIBCXX_ENABLE_EXPERIMENTAL_LIBRARY)
   set(LIBCXX_TEST_DEPS cxx_experimental)
 endif()
 
-if (LIBCXX_HAS_EXTERNAL_THREAD_API)
+if (LIBCXX_BUILD_EXTERNAL_THREAD_LIBRARY)
   list(APPEND LIBCXX_TEST_DEPS cxx_external_threads)
 endif()