diff --git a/include/XML/QName.hpp b/include/XML/QName.hpp
index 4c1e76cb..7a57143f 100644
--- a/include/XML/QName.hpp
+++ b/include/XML/QName.hpp
@@ -38,7 +38,7 @@ public:
 				  const UriMapper& mapper)
   {
     if(!Arabica::XML::is_qname<string_adaptor>(rawname))
-      throw std::runtime_error("Bad qname : " + SA::asStdString(rawname));
+      throw std::runtime_error("Bad qname : '" + SA::asStdString(rawname) +"'");
 
     static string_type COLON = SA::construct_from_utf8(":");
 
diff --git a/include/XSLT/impl/xslt_qname.hpp b/include/XSLT/impl/xslt_qname.hpp
index 63f07817..fa6322e9 100644
--- a/include/XSLT/impl/xslt_qname.hpp
+++ b/include/XSLT/impl/xslt_qname.hpp
@@ -40,7 +40,7 @@ struct QName
   static QName create(const std::string& qName, const std::string& namespaceURI)
   {
     if(!Arabica::XML::is_qname<Arabica::default_string_adaptor<std::string> >(qName))
-      throw SAX::SAXException("Bad name : " + qName);
+      throw SAX::SAXException("Bad name : '" + qName + "'");
 
     static char COLON = Arabica::text::Unicode<char>::COLON;