diff --git a/src/String/StringViewLiteral.hpp b/src/String/StringViewLiteral.hpp
index d2ae427..5a1bdc9 100644
--- a/src/String/StringViewLiteral.hpp
+++ b/src/String/StringViewLiteral.hpp
@@ -16,11 +16,11 @@ namespace ArbUt {
         /// @brief Compile time initialisation of a StringViewLiteral.
         /// @param str A null terminated C string.
         /// @param size A The length of the string.
-        consteval StringViewLiteral(const char* str, size_t size) noexcept
+        constexpr StringViewLiteral(const char* str, size_t size) noexcept
             : BasicStringView(size, Hash(str)), _str(str) {}
         /// @brief Compile time initialisation of a StringViewLiteral. Length is calculated at compile.
         /// @param str A null terminated C string.
-        consteval StringViewLiteral(const char* str) noexcept : StringViewLiteral(str, CalcLength(str)){};
+        constexpr StringViewLiteral(const char* str) noexcept : StringViewLiteral(str, CalcLength(str)){};
         [[nodiscard]] inline constexpr const char* c_str() const noexcept override { return _str; }
         [[nodiscard]] constexpr std::string_view std_str() const noexcept override {
             return std::string_view(_str, _length);
@@ -28,7 +28,7 @@ namespace ArbUt {
         /// @brief Returns the hash of a s.tringview literal.
         /// @param s A stringview literal.
         /// @return The hash of the stringview literal.
-        consteval std::size_t operator()(StringViewLiteral const& s) const noexcept { return s.GetHash(); }
+        constexpr std::size_t operator()(StringViewLiteral const& s) const noexcept { return s.GetHash(); }
         /// @brief Converts stringview literal into non-literal (for use during runtime).
         /// @return A normal StringView.
         inline operator StringView() const noexcept { return StringView(*this, _str, _length); }
@@ -50,14 +50,14 @@ namespace std {
         /// @brief Returns the hash of a stringview.
         /// @param s a StringView.
         /// @return The hash of the StringView.
-        consteval std::size_t operator()(ArbUt::StringViewLiteral const& s) const noexcept { return s.GetHash(); }
+        constexpr std::size_t operator()(ArbUt::StringViewLiteral const& s) const noexcept { return s.GetHash(); }
     };
 }
 
-inline consteval ArbUt::StringViewLiteral operator"" _const_nocase(const char* c, size_t l) {
+inline constexpr ArbUt::StringViewLiteral operator"" _const_nocase(const char* c, size_t l) {
     return ArbUt::StringViewLiteral(c, l);
 }
-inline consteval ArbUt::StringViewLiteral operator"" _cnc(const char* c, size_t l) {
+inline constexpr ArbUt::StringViewLiteral operator"" _cnc(const char* c, size_t l) {
     return ArbUt::StringViewLiteral(c, l);
 }