diff --git a/apps/xmlrpc2di/xmlrpc++/src/XmlRpcValue.h b/apps/xmlrpc2di/xmlrpc++/src/XmlRpcValue.h
index fcc71015..bf6adca9 100644
--- a/apps/xmlrpc2di/xmlrpc++/src/XmlRpcValue.h
+++ b/apps/xmlrpc2di/xmlrpc++/src/XmlRpcValue.h
@@ -112,6 +112,9 @@ namespace XmlRpc {
     //! Assign a string to this XmlRpcValue.
     XmlRpcValue& operator=(const char* rhs) { return operator=(XmlRpcValue(std::string(rhs))); }
 
+    //! Assign a string to this XmlRpcValue.
+    XmlRpcValue& operator=(const std::string& rhs) { return operator=(XmlRpcValue(rhs)); }
+
     //! Tests two XmlRpcValues for equality
     bool operator==(XmlRpcValue const& other) const = default;