diff --git a/test/ostream-test.cc b/test/ostream-test.cc
index 8891ae24..a7341065 100644
--- a/test/ostream-test.cc
+++ b/test/ostream-test.cc
@@ -113,11 +113,11 @@ std::ostream &operator<<(std::ostream &os, EmptyTest) {
 
 #if __cplusplus >= 201103L
 struct UserDefinedTest { int i = 42; };
-#endif
 
 std::ostream &operator<<(std::ostream &os, const UserDefinedTest &u) {
   return os << u.i;
 }
+#endif
 
 TEST(OStreamTest, EmptyCustomOutput) {
   EXPECT_EQ("", fmt::format("{}", EmptyTest()));