diff --git a/conversion/stringbuilder.h b/conversion/stringbuilder.h
index d66ba92..932b8e3 100644
--- a/conversion/stringbuilder.h
+++ b/conversion/stringbuilder.h
@@ -70,6 +70,9 @@ constexpr std::size_t computeTupleElementSize(IntegralType number, typename Stri
     return size;
 }
 
+template <class StringType, typename TupleType, Traits::EnableIf<Traits::IsSpecializationOf<std::decay_t<TupleType>, std::tuple>> * = nullptr>
+constexpr std::size_t computeTupleElementSize(TupleType &&tuple, typename StringType::value_type base = 10);
+
 template <class StringType, Traits::EnableIf<std::is_class<StringType>> * = nullptr> inline void append(StringType &target, const StringType *str)
 {
     target.append(*str);
@@ -134,6 +137,9 @@ inline void append(StringType &target, IntegralType number, typename StringType:
     } while (number);
 }
 
+template <class StringType, typename TupleType, Traits::EnableIf<Traits::IsSpecializationOf<std::decay_t<TupleType>, std::tuple>> * = nullptr>
+constexpr void append(StringType &target, TupleType &&tuple, typename StringType::value_type base = 10);
+
 template <class StringType, class Tuple, std::size_t N> struct TupleToString {
     static inline std::size_t precomputeSize(const Tuple &tuple)
     {
@@ -158,6 +164,19 @@ template <class StringType, class Tuple> struct TupleToString<StringType, Tuple,
         Helper::append(str, std::get<0>(tuple));
     }
 };
+
+template <class StringType, typename TupleType, Traits::EnableIf<Traits::IsSpecializationOf<std::decay_t<TupleType>, std::tuple>> *>
+constexpr std::size_t computeTupleElementSize(TupleType &&tuple, typename StringType::value_type base)
+{
+    return TupleToString<StringType, TupleType, std::tuple_size_v<std::decay_t<TupleType>>>::precomputeSize(std::forward<TupleType>(tuple));
+}
+
+template <class StringType, typename TupleType, Traits::EnableIf<Traits::IsSpecializationOf<std::decay_t<TupleType>, std::tuple>> *>
+constexpr void append(StringType &target, TupleType &&tuple, typename StringType::value_type base)
+{
+    return TupleToString<StringType, TupleType, std::tuple_size_v<std::decay_t<TupleType>>>::append(std::forward<TupleType>(tuple), target);
+}
+
 } // namespace Helper
 /// \endcond
 
diff --git a/tests/conversiontests.cpp b/tests/conversiontests.cpp
index eda98b3..8bf707f 100644
--- a/tests/conversiontests.cpp
+++ b/tests/conversiontests.cpp
@@ -386,6 +386,7 @@ void ConversionTests::testStringBuilder()
     CPPUNIT_ASSERT_EQUAL("string1string21234string3"s, tupleToString(tuple));
     CPPUNIT_ASSERT_EQUAL("foobarfoo2bar2"s, tupleToString("foo"s % "bar" % "foo2"s % "bar2"));
     CPPUNIT_ASSERT_EQUAL("v2.3.0"s, argsToString("v2.", 3, '.', 0));
+    CPPUNIT_ASSERT_EQUAL("v2.3.0"s, argsToString('v', make_tuple(2, '.', 3, '.', 0)));
 
     // construction of string-tuple and final conversion to string works
     CPPUNIT_ASSERT_EQUAL_MESSAGE("result can be passed to any function taking a std::string"s, "123456789"s, "12" % string("34") % '5' % 67 + "89");