diff --git a/test/test_containers.cpp b/test/test_containers.cpp
index ac3f070..b4389e4 100644
--- a/test/test_containers.cpp
+++ b/test/test_containers.cpp
@@ -282,7 +282,7 @@ TEST_CASE("containers_set") {
   REQUIRE(color_set_filled.size() == 3);
   REQUIRE(magic_enum::enum_count<Color>() == color_set_filled.size());
 
-  magic_enum::containers::set color_set_not_const {Color::RED, Color::GREEN, Color::BLUE};
+  magic_enum::containers::set color_set_not_const = {Color::RED, Color::GREEN, Color::BLUE};
   REQUIRE_FALSE(color_set_not_const.empty());
   REQUIRE(color_set_not_const.size() == 3);
   REQUIRE(magic_enum::enum_count<Color>() == color_set_not_const.size());