diff --git a/test/test_converter.cpp b/test/test_converter.cpp
index 5f1dee1..dcea7f6 100644
--- a/test/test_converter.cpp
+++ b/test/test_converter.cpp
@@ -65,31 +65,31 @@ TEST_CASE("testing valid conversions") {
     {
         auto tup = c.convert<int, double, void>("5,6.6,junk");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{5, 6.6});
+        CHECK(tup == std::make_tuple(5, 6.6));
     }
     {
         auto tup = c.convert<int, void, double>("5,junk,6.6");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{5, 6.6});
+        CHECK(tup == std::make_tuple(5, 6.6));
     }
     {
         auto tup = c.convert<void, int, double>("junk;5;6.6", ";");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{5, 6.6});
+        CHECK(tup == std::make_tuple(5, 6.6));
     }
     {
         auto tup =
             c.convert<void, std::optional<int>, double>("junk;5;6.6", ";");
         REQUIRE(c.valid());
         REQUIRE(std::get<0>(tup).has_value());
-        CHECK(tup == std::tuple{5, 6.6});
+        CHECK(tup == std::make_tuple(5, 6.6));
     }
     {
         auto tup =
             c.convert<void, std::optional<int>, double>("junk;5.4;6.6", ";");
         REQUIRE(c.valid());
         REQUIRE(!std::get<0>(tup).has_value());
-        CHECK(tup == std::tuple{std::nullopt, 6.6});
+        CHECK(tup == std::make_tuple(std::optional<int>{}, 6.6));
     }
     {
         auto tup =
@@ -97,7 +97,7 @@ TEST_CASE("testing valid conversions") {
                                                                ";");
         REQUIRE(c.valid());
         REQUIRE(std::holds_alternative<int>(std::get<0>(tup)));
-        CHECK(tup == std::tuple{std::variant<int, double>{5}, 6.6});
+        CHECK(tup == std::make_tuple(std::variant<int, double>{5}, 6.6));
     }
     {
         auto tup =
@@ -105,7 +105,7 @@ TEST_CASE("testing valid conversions") {
                                                                ";");
         REQUIRE(c.valid());
         REQUIRE(std::holds_alternative<double>(std::get<0>(tup)));
-        CHECK(tup == std::tuple{std::variant<int, double>{5.5}, 6.6});
+        CHECK(tup == std::make_tuple(std::variant<int, double>{5.5}, 6.6));
     }
 }
 
@@ -162,12 +162,12 @@ TEST_CASE("testing ss:ax restriction (all except)") {
     {
         std::tuple<char, int> tup = c.convert<char, ss::ax<int, 1>>("c,3");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{'c', 3});
+        CHECK(tup == std::make_tuple('c', 3));
     }
     {
         std::tuple<int, char> tup = c.convert<ss::ax<int, 1>, char>("3,c");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{3, 'c'});
+        CHECK(tup == std::make_tuple(3, 'c'));
     }
 }
 
@@ -196,12 +196,12 @@ TEST_CASE("testing ss:nx restriction (none except)") {
     {
         auto tup = c.convert<char, void, ss::nx<int, 0, 1, 2>>("c,junk,1");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{'c', 1});
+        CHECK(tup == std::make_tuple('c', 1));
     }
     {
         auto tup = c.convert<ss::nx<int, 1>, char>("1,c");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{1, 'c'});
+        CHECK(tup == std::make_tuple(1, 'c'));
     }
 }
 
@@ -230,12 +230,12 @@ TEST_CASE("testing ss:ir restriction (in range)") {
     {
         auto tup = c.convert<char, void, ss::ir<int, 0, 1>>("c,junk,1");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{'c', 1});
+        CHECK(tup == std::make_tuple('c', 1));
     }
     {
         auto tup = c.convert<ss::ir<int, 1, 20>, char>("1,c");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{1, 'c'});
+        CHECK(tup == std::make_tuple(1, 'c'));
     }
 }
 
@@ -263,13 +263,13 @@ TEST_CASE("testing ss:oor restriction (out of range)") {
     {
         auto tup = c.convert<char, void, ss::oor<int, 4, 69>>("c,junk,3");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{'c', 3});
+        CHECK(tup == std::make_tuple('c', 3));
     }
 
     {
         auto tup = c.convert<ss::oor<int, 1, 2>, char>("3,c");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{3, 'c'});
+        CHECK(tup == std::make_tuple(3, 'c'));
     }
 }
 
@@ -312,7 +312,7 @@ TEST_CASE("testing ss:ne restriction (not empty)") {
     {
         auto tup = c.convert<std::optional<int>, ss::ne<std::string>>("1,s");
         REQUIRE(c.valid());
-        CHECK(tup == std::tuple{1, "s"});
+        CHECK(tup == std::make_tuple(1, "s"));
     }
     {
         auto tup = c.convert<ss::ne<std::vector<int>>>("{1 2 3}");