diff --git a/src/gen_mod.erl b/src/gen_mod.erl
index ed51d7605..28afc12ae 100644
--- a/src/gen_mod.erl
+++ b/src/gen_mod.erl
@@ -86,8 +86,8 @@ start_module2(Host, Module, Opts) ->
     catch Class:Reason ->
 	    del_module_mnesia(Host, Module),
 	    ets:delete(ejabberd_modules, {Module, Host}),
-	    ErrorText = io_lib:format("Problem starting the module ~p for host ~p ~n options: ~p~n ~p: ~p",
-		    [Module, Host, Opts, Class, Reason]),
+	    ErrorText = io_lib:format("Problem starting the module ~p for host ~p ~n options: ~p~n ~p: ~p~n stacktarce: ~p",
+		    [Module, Host, Opts, Class, Reason, erlang:get_stacktrace()]),
 	    ?CRITICAL_MSG(ErrorText, []),
 	    case is_app_running(ejabberd) of
 		true ->