diff --git a/autodocodec-schema.cabal b/autodocodec-schema.cabal
--- a/autodocodec-schema.cabal
+++ b/autodocodec-schema.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           autodocodec-schema
-version:        0.1.0.4
+version:        0.1.0.5
 synopsis:       Autodocodec interpreters for JSON Schema
 homepage:       https://github.com/NorfairKing/autodocodec#readme
 bug-reports:    https://github.com/NorfairKing/autodocodec/issues
@@ -32,7 +32,7 @@
       src
   build-depends:
       aeson
-    , autodocodec >=0.2.0.0
+    , autodocodec >=0.3.0.0
     , base >=4.7 && <5
     , containers
     , mtl
diff --git a/src/Autodocodec/Schema.hs b/src/Autodocodec/Schema.hs
--- a/src/Autodocodec/Schema.hs
+++ b/src/Autodocodec/Schema.hs
@@ -377,7 +377,7 @@
       OptionalKeyWithDefaultCodec k c mr mdoc -> do
         s <- go c
         pure $ ObjectKeySchema k (Optional (Just (toJSONVia c mr))) s mdoc
-      OptionalKeyWithOmittedDefaultCodec k c defaultValue mDoc -> goObject (OptionalKeyWithDefaultCodec k c defaultValue mDoc)
+      OptionalKeyWithOmittedDefaultCodec k c defaultValue mDoc -> goObject (optionalKeyWithDefaultCodec k c defaultValue mDoc)
       BimapCodec _ _ c -> goObject c
       EitherCodec u oc1 oc2 -> do
         os1 <- goObject oc1