diff --git a/src/hijack.erl b/src/hijack.erl
index f21d0fae07067c88be9dca6adaa72715a51c8bd2..1518a2803cf94b30d4847fe555e230d9d1a40342 100644
--- a/src/hijack.erl
+++ b/src/hijack.erl
@@ -25,7 +25,7 @@
 -ifdef(debug).
 -define(LOG(Format, Data), io:format("{~p,~p}: " ++ Format ++ "~n", [?MODULE, ?LINE] ++ Data)).
 -else.
--define(LOG(Format, Data), true).
+-define(LOG(Format, Data), io_lib:format("{~p,~p}: " ++ Format ++ "~n", [?MODULE, ?LINE] ++ Data)).
 -endif.
 
 main(Args) ->