diff --git a/boost/property_tree/detail/xml_parser_read_rapidxml.hpp b/boost/property_tree/detail/xml_parser_read_rapidxml.hpp
index d271d5e..dec810a 100644
--- a/boost/property_tree/detail/xml_parser_read_rapidxml.hpp
+++ b/boost/property_tree/detail/xml_parser_read_rapidxml.hpp
@@ -118,8 +118,14 @@ namespace boost { namespace property_tree { namespace xml_parser
             // Swap local and result ptrees
             pt.swap(local);
         } catch (rapidxml::parse_error &e) {
+#if !defined(BOOST_NO_EXPLICIT_FUNCTION_TEMPLATE_ARGUMENTS)
             long line = static_cast<long>(
                 std::count(&v.front(), e.where<Ch>(), Ch('\n')) + 1);
+#else
+            // Can't call 'e.where' to get the line number, so just
+            // use line 0.
+            long line = 0;
+#endif
             BOOST_PROPERTY_TREE_THROW(
                 xml_parser_error(e.what(), filename, line));  
         }