diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6c974642ff9..b729413c20b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1156,6 +1156,7 @@ if (BUILD_TESTS OR BUILD_BENCHMARKS)
       TEST unit_test SOURCES UnitTest.cpp
       BENCHMARK uri_benchmark SOURCES UriBenchmark.cpp
       TEST uri_test SOURCES UriTest.cpp
+      TEST utility_test SOURCES UtilityTest.cpp
       TEST varint_test SOURCES VarintTest.cpp
 
     DIRECTORY testing/test/
diff --git a/folly/Utility.h b/folly/Utility.h
index 2e9d6a6b9f8..8b40205c8af 100644
--- a/folly/Utility.h
+++ b/folly/Utility.h
@@ -274,7 +274,7 @@ inline constexpr identity_fn identity{};
 ///   }
 template <typename C, std::size_t N>
 struct literal_string {
-  C buffer[N];
+  C buffer[N] = {};
 
   FOLLY_CONSTEVAL /* implicit */ literal_string(C const (&buf)[N]) noexcept {
     for (std::size_t i = 0; i < N; ++i) {
diff --git a/folly/test/UtilityTest.cpp b/folly/test/UtilityTest.cpp
index 32867ceade2..430e5776f9b 100644
--- a/folly/test/UtilityTest.cpp
+++ b/folly/test/UtilityTest.cpp
@@ -191,6 +191,8 @@ TEST_F(UtilityTest, forward_like) {
   // folly::forward_like<const int&>(1);
 }
 
+static_assert(!std::is_default_constructible_v<folly::literal_string<char, 1>>);
+
 TEST_F(UtilityTest, literal_string) {
   constexpr auto s = folly::literal_string{"hello world"};
   EXPECT_STREQ("hello world", s.c_str());