diff --git a/llvm/unittests/Support/Path.cpp b/llvm/unittests/Support/Path.cpp
index 63c9ae0..38bad8f 100644
--- a/llvm/unittests/Support/Path.cpp
+++ b/llvm/unittests/Support/Path.cpp
@@ -375,7 +375,7 @@
   
   // Unmap temp file
 
-#if LLVM_USE_RVALUE_REFERENCES
+#if LLVM_HAS_RVALUE_REFERENCES
   fs::mapped_file_region m(Twine(TempPath),
                              fs::mapped_file_region::readonly,
                              0,