diff --git a/library/server/ewsgi/connectors/cgi/src/wgi_cgi_connector.e b/library/server/ewsgi/connectors/cgi/src/wgi_cgi_connector.e
index 56718745..c9cb9366 100644
--- a/library/server/ewsgi/connectors/cgi/src/wgi_cgi_connector.e
+++ b/library/server/ewsgi/connectors/cgi/src/wgi_cgi_connector.e
@@ -52,7 +52,9 @@ feature -- Execution
 							res.set_status_code ({HTTP_STATUS_CODE}.internal_server_error, Void)
 						end
 						if res.message_writable then
-							res.put_string ("<pre>" + l_trace + "</pre>")
+							res.put_string ("<pre>")
+							res.put_string (l_trace)
+							res.put_string ("</pre>")
 						end
 						res.push
 					end
@@ -64,7 +66,7 @@ feature -- Execution
 		end
 
 note
-	copyright: "2011-2012, Eiffel Software and others"
+	copyright: "2011-2013, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software
diff --git a/library/server/ewsgi/connectors/libfcgi/src/wgi_libfcgi_connector.e b/library/server/ewsgi/connectors/libfcgi/src/wgi_libfcgi_connector.e
index 32f54566..800a3115 100644
--- a/library/server/ewsgi/connectors/libfcgi/src/wgi_libfcgi_connector.e
+++ b/library/server/ewsgi/connectors/libfcgi/src/wgi_libfcgi_connector.e
@@ -73,7 +73,9 @@ feature -- Execution
 							res.set_status_code ({HTTP_STATUS_CODE}.internal_server_error, Void)
 						end
 						if res.message_writable then
-							res.put_string ("<pre>" + l_trace + "</pre>")
+							res.put_string ("<pre>")
+							res.put_string (l_trace)
+							res.put_string ("</pre>")
 						end
 						res.push
 					end
@@ -100,7 +102,7 @@ invariant
 	fcgi_attached: fcgi /= Void
 
 note
-	copyright: "2011-2011, Eiffel Software and others"
+	copyright: "2011-2013, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software