diff --git a/game/gamemode.lua b/game/gamemode.lua
index 17b5b05..4d459c8 100644
--- a/game/gamemode.lua
+++ b/game/gamemode.lua
@@ -289,16 +289,25 @@ end
 
 
 function GameMode:storeInput(input_set)
-    self.recorded_inputs[self.frames] = bit.bor(
-        input_set['right']         and 1   or 0,
-        input_set['rotate_right2'] and 2   or 0,
-        input_set['up']            and 4   or 0,
-        input_set['rotate_left']   and 8   or 0,
-        input_set['left']          and 16  or 0,
-        input_set['down']          and 32  or 0,
-        input_set['rotate_right']  and 64  or 0,
-        input_set['rotate_left2']  and 128 or 0
-    )
+    local input_code_list = {
+        right         = 1  ,
+        rotate_right2 = 2  ,
+        up            = 4  ,
+        rotate_left   = 8  ,
+        left          = 16 ,
+        down          = 32 ,
+        rotate_right  = 64 ,
+        rotate_left2  = 128,
+    }
+    local current_frame_input = 0
+
+    for key, code in pairs(input_code_list) do
+        if input_set[key] then
+            current_frame_input = bit.bor(current_frame_input, code)
+        end
+    end
+
+    self.recorded_inputs[self.frames] = current_frame_input
 end
 function GameMode:getReplayInputs(input_file)
     local i = 1