diff --git a/main.lua b/main.lua
index 90f1fdb..c64551c 100644
--- a/main.lua
+++ b/main.lua
@@ -943,7 +943,7 @@ local function doit(dummy)
 
     if cfg.time_inputs then
         for i=2,5 do
-            local v = band(trial_frames, lshift(1, i)) == 0 and -256 or 256
+            local v = band(trial_frames, lshift(1, i)) == 0 and -181 or 181
             insert(extra_input, v)
         end
     end