diff --git a/src/Simplex/Messaging/Notifications/Protocol.hs b/src/Simplex/Messaging/Notifications/Protocol.hs
index d3ad6d043..3640004e0 100644
--- a/src/Simplex/Messaging/Notifications/Protocol.hs
+++ b/src/Simplex/Messaging/Notifications/Protocol.hs
@@ -11,6 +11,8 @@
 module Simplex.Messaging.Notifications.Protocol where
 
 import Data.Aeson (FromJSON (..), ToJSON (..))
+import qualified Data.Aeson as J
+import qualified Data.Aeson.Encoding as JE
 import qualified Data.Attoparsec.ByteString.Char8 as A
 import Data.ByteString.Char8 (ByteString)
 import qualified Data.ByteString.Char8 as B
@@ -417,6 +419,10 @@ instance FromField NtfTknStatus where fromField = fromTextField_ $ either (const
 
 instance ToField NtfTknStatus where toField = toField . decodeLatin1 . smpEncode
 
+instance ToJSON NtfTknStatus where
+  toEncoding = JE.text . decodeLatin1 . smpEncode
+  toJSON = J.String . decodeLatin1 . smpEncode
+
 checkEntity :: forall t e e'. (NtfEntityI e, NtfEntityI e') => t e' -> Either String (t e)
 checkEntity c = case testEquality (sNtfEntity @e) (sNtfEntity @e') of
   Just Refl -> Right c