diff --git a/include/sexpp/sexp.h b/include/sexpp/sexp.h
index 3bba921..e4f4cf7 100644
--- a/include/sexpp/sexp.h
+++ b/include/sexpp/sexp.h
@@ -278,6 +278,11 @@ class SEXP_PUBLIC_SYMBOL sexp_string_t : public sexp_object_t {
     sexp_string_t(void) : with_presentation_hint(false) {}
     sexp_string_t(sexp_input_stream_t *sis) { parse(sis); };
 
+    ~sexp_string_t()
+    {
+        
+    }
+
     const bool has_presentation_hint(void) const noexcept { return with_presentation_hint; }
     const sexp_simple_string_t &get_string(void) const noexcept { return data_string; }
     const sexp_simple_string_t &set_string(const sexp_simple_string_t &ss)