--- a/plugins/mod_component.lua	Mon Jul 23 16:42:26 2012 +0100
+++ b/plugins/mod_component.lua	Mon Jul 23 17:32:33 2012 +0100
@@ -124,7 +124,7 @@
 
 function stream_callbacks.error(session, error, data, data2)
 	if session.destroyed then return; end
-	module:log("warn", "Error processing component stream: "..tostring(error));
+	module:log("warn", "Error processing component stream: %s", tostring(error));
 	if error == "no-stream" then
 		session:close("invalid-namespace");
 	elseif error == "parse-error" then