diff --git a/src/Data/Syntax/Literal.hs b/src/Data/Syntax/Literal.hs
index 21888e014..f7c83045e 100644
--- a/src/Data/Syntax/Literal.hs
+++ b/src/Data/Syntax/Literal.hs
@@ -190,7 +190,7 @@ instance Evaluatable Regex
 -- Collections
 
 newtype Array a = Array { arrayElements :: [a] }
-  deriving (Diffable, Eq, Foldable, Functor, GAlign, Generic1, Hashable1, Mergeable, Ord, Show, Traversable, FreeVariables1, Declarations1, Generic, Named, Message)
+  deriving (Diffable, Eq, Foldable, Functor, GAlign, Generic1, Hashable1, Mergeable, Ord, Show, Traversable, FreeVariables1, Declarations1, Generic, Named, Message1)
 
 instance Eq1 Array where liftEq = genericLiftEq
 instance Ord1 Array where liftCompare = genericLiftCompare