diff --git a/diceware.txt b/diceware
similarity index 100%
rename from diceware.txt
rename to diceware
diff --git a/main.hs b/main.hs
index 6c035dd..a876e5d 100644
--- a/main.hs
+++ b/main.hs
@@ -60,4 +60,4 @@ exec opts@Args{..} = do
 		dice' x n = readDiceware' (parseDiceware x) n
 		-- default arguments
 		phraseLength' = if phraseLength == 0 then 6 else phraseLength
-		dictionary' = if null dictionary then "diceware.txt" else dictionary
+		dictionary' = if null dictionary then "diceware" else dictionary