diff --git a/src/egs_proto.erl b/src/egs_proto.erl
index a1d9129..14c36c7 100644
--- a/src/egs_proto.erl
+++ b/src/egs_proto.erl
@@ -336,7 +336,8 @@ send_player_card(CSocket, GID, Char) ->
 
 send_quest(CSocket, Filename) ->
 	{ok, File} = file:read_file(Filename),
-	Packet = << 16#020e:16, 0:304, 16#00200000:32/unsigned-integer, 16#2032674b:32/unsigned-integer, File/binary >>,
+	Size = byte_size(File),
+	Packet = << 16#020e:16, 0:304, Size:32/little-unsigned-integer, 16#2032674b:32/unsigned-integer, File/binary >>,
 	packet_send(CSocket, Packet).
 
 %% @doc Send the list of available universes.