diff --git a/transfer/lib/prelude.tra b/transfer/lib/prelude.tra
index fe2d1b296..a19c33601 100644
--- a/transfer/lib/prelude.tra
+++ b/transfer/lib/prelude.tra
@@ -96,7 +96,7 @@ data Bool : Type where
 	False : Bool
 
 -- derive Show Bool
--- derive Eq Bool
+derive Eq Bool
 -- derive Ord Bool
 
 not : Bool -> Bool