diff --git a/exec/Main.hs b/exec/Main.hs
index d1fd65c..98bbd54 100644
--- a/exec/Main.hs
+++ b/exec/Main.hs
@@ -1,5 +1,10 @@
 module Main where
 
+data WasmConfig = WasmConfig {
+    inputFile :: String,
+    outputFile :: String
+} deriving (Show, Eq)
+
 main :: IO ()
 main = do
     putStrLn "There is no WASM!"