diff --git a/src/tl/tl/tlVariant.cc b/src/tl/tl/tlVariant.cc
index 61cbbea95..a9c973e8f 100644
--- a/src/tl/tl/tlVariant.cc
+++ b/src/tl/tl/tlVariant.cc
@@ -1603,9 +1603,11 @@ Variant::to_bytearray () const
     return std::vector<char> (m_var.m_qbytearray->constBegin (), m_var.m_qbytearray->constEnd ());
   } else if (m_type == t_bytearray) {
     return *m_var.m_bytearray;
+#if defined(HAVE_QT)
   } else if (m_type == t_qstring) {
     QByteArray ba = m_var.m_qstring->toUtf8 ();
     return std::vector<char> (ba.constBegin (), ba.constEnd ());
+#endif
   } else if (m_type == t_stdstring) {
     return std::vector<char> (m_var.m_stdstring->begin (), m_var.m_stdstring->end ());
   } else {