diff --git a/Tests/CompileFeatures/cxx_unicode_literals.cpp b/Tests/CompileFeatures/cxx_unicode_literals.cpp
index a7b7df0cd2..7794c11dcc 100644
--- a/Tests/CompileFeatures/cxx_unicode_literals.cpp
+++ b/Tests/CompileFeatures/cxx_unicode_literals.cpp
@@ -1,3 +1,5 @@
 
+/* clang-format off */
 const char16_t lit_16[] = u"\u00DA";
 const char32_t lit_32[] = U"\u00DA";
+/* clang-format on */