--- a/mod_statistics/stats.lib.lua	Sat Jun 15 20:36:23 2013 +0100
+++ b/mod_statistics/stats.lib.lua	Sat Jun 15 20:43:10 2013 +0100
@@ -71,7 +71,7 @@
 };
 
 local add_statistics_filter; -- forward decl
-if prosody and prosody.full_sessions then -- start_time ensures we aren't in prosodyctl
+if prosody and prosody.arg then -- ensures we aren't in prosodyctl
 	setmetatable(active_sessions, {
 		__index = function ( t, k )
 			local v = {