--- a/tests/test_unordered_set.cpp
+++ b/tests/test_unordered_set.cpp
@@ -65,8 +65,8 @@ TEST_CASE("tripleton str frozen unordere
   constexpr auto max_size = ze_set.max_size();
   REQUIRE(max_size == 3);
 
-  constexpr auto nocount = ze_set.count(4);
+  auto nocount = ze_set.count(4);
   REQUIRE(nocount == 0);
 
   constexpr auto count = ze_set.count(1);
   REQUIRE(count == 1);
