diff --git a/simplexmq.cabal b/simplexmq.cabal
index 71e23b666..bc30717d6 100644
--- a/simplexmq.cabal
+++ b/simplexmq.cabal
@@ -1,7 +1,7 @@
 cabal-version: 1.12
 
 name:           simplexmq
-version:        6.4.5.1
+version:        6.4.5.2
 synopsis:       SimpleXMQ message broker
 description:    This package includes <./docs/Simplex-Messaging-Server.html server>,
                 <./docs/Simplex-Messaging-Client.html client> and
diff --git a/src/Simplex/Messaging/Protocol.hs b/src/Simplex/Messaging/Protocol.hs
index e5d918cc6..40314ad2a 100644
--- a/src/Simplex/Messaging/Protocol.hs
+++ b/src/Simplex/Messaging/Protocol.hs
@@ -2258,7 +2258,11 @@ $(J.deriveJSON defaultJSON ''MsgFlags)
 
 $(J.deriveJSON (sumTypeJSON id) ''CommandError)
 
-$(J.deriveJSON (sumTypeJSON $ dropPrefix "NE") ''NetworkError)
+$(J.deriveToJSON (sumTypeJSON $ dropPrefix "NE") ''NetworkError)
+
+instance FromJSON NetworkError where
+  parseJSON = $(J.mkParseJSON (sumTypeJSON $ dropPrefix "NE") ''NetworkError)
+  omittedField = Just NEFailedError
 
 $(J.deriveJSON (sumTypeJSON id) ''BrokerErrorType)