diff --git a/src/Data/Argonaut/Decode/Combinators.purs b/src/Data/Argonaut/Decode/Combinators.purs
index 932a944..9ce6fc6 100644
--- a/src/Data/Argonaut/Decode/Combinators.purs
+++ b/src/Data/Argonaut/Decode/Combinators.purs
@@ -65,7 +65,7 @@ getFieldOptional' o s =
     decode json =
       if isNull json
         then pure Nothing
-        else Just <$> decodeJson json
+        else Just <$> (elaborateFailure s <<< decodeJson) json
 
 infix 7 getFieldOptional' as .:?