1 files changed, 5 insertions, 3 deletions
diff --git a/libcxx/test/utilities/optional/optional.object/optional.object.observe/dereference.pass.cpp b/libcxx/test/utilities/optional/optional.object/optional.object.observe/dereference.pass.cpp
index 5ef4245feb9..98e5dac9719 100644
--- a/libcxx/test/utilities/optional/optional.object/optional.object.observe/dereference.pass.cpp
+++ b/libcxx/test/utilities/optional/optional.object/optional.object.observe/dereference.pass.cpp
@@ -15,12 +15,14 @@
 #define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : std::exit(0))
 #endif
 
-#include <optional>
+#include <experimental/optional>
 #include <type_traits>
 #include <cassert>
 
 #if _LIBCPP_STD_VER > 11
 
+using std::experimental::optional;
+
 struct X
 {
     constexpr int test() const {return 3;}
@@ -33,12 +35,12 @@ int main()
 {
 #if _LIBCPP_STD_VER > 11
     {
-        std::optional<X> opt(X{});
+        optional<X> opt(X{});
         assert((*opt).test() == 4);
     }
 #ifdef _LIBCPP_DEBUG
     {
-        std::optional<X> opt;
+        optional<X> opt;
         assert((*opt).test() == 3);
         assert(false);
     }