diff --git a/src/Simplex/FileTransfer/Server/Store.hs b/src/Simplex/FileTransfer/Server/Store.hs
index 10c34819f..46513ea96 100644
--- a/src/Simplex/FileTransfer/Server/Store.hs
+++ b/src/Simplex/FileTransfer/Server/Store.hs
@@ -54,6 +54,7 @@ fileTimePrecision :: Int64
 fileTimePrecision = 3600 -- truncate creation time to 1 hour
 
 data FileRecipient = FileRecipient RecipientId RcvPublicAuthKey
+  deriving (Show)
 
 instance StrEncoding FileRecipient where
   strEncode (FileRecipient rId rKey) = strEncode rId <> ":" <> strEncode rKey
diff --git a/src/Simplex/FileTransfer/Server/StoreLog.hs b/src/Simplex/FileTransfer/Server/StoreLog.hs
index 9d3919c2c..675e4efdb 100644
--- a/src/Simplex/FileTransfer/Server/StoreLog.hs
+++ b/src/Simplex/FileTransfer/Server/StoreLog.hs
@@ -44,6 +44,7 @@ data FileStoreLogRecord
   | AddRecipients SenderId (NonEmpty FileRecipient)
   | DeleteFile SenderId
   | AckFile RecipientId
+  deriving (Show)
 
 instance StrEncoding FileStoreLogRecord where
   strEncode = \case
diff --git a/src/Simplex/Messaging/Notifications/Server/StoreLog.hs b/src/Simplex/Messaging/Notifications/Server/StoreLog.hs
index d43700ad3..d11c01f76 100644
--- a/src/Simplex/Messaging/Notifications/Server/StoreLog.hs
+++ b/src/Simplex/Messaging/Notifications/Server/StoreLog.hs
@@ -50,6 +50,7 @@ data NtfStoreLogRecord
   | CreateSubscription NtfSubRec
   | SubscriptionStatus NtfSubscriptionId NtfSubStatus
   | DeleteSubscription NtfSubscriptionId
+  deriving (Show)
 
 data NtfTknRec = NtfTknRec
   { ntfTknId :: NtfTokenId,
@@ -61,6 +62,7 @@ data NtfTknRec = NtfTknRec
     tknRegCode :: NtfRegCode,
     tknCronInterval :: Word16
   }
+  deriving (Show)
 
 mkTknData :: NtfTknRec -> STM NtfTknData
 mkTknData NtfTknRec {ntfTknId, token, tknStatus = status, tknVerifyKey, tknDhKeys, tknDhSecret, tknRegCode, tknCronInterval = cronInt} = do
@@ -81,6 +83,7 @@ data NtfSubRec = NtfSubRec
     tokenId :: NtfTokenId,
     subStatus :: NtfSubStatus
   }
+  deriving (Show)
 
 mkSubData :: NtfSubRec -> STM NtfSubData
 mkSubData NtfSubRec {ntfSubId, smpQueue, notifierKey, tokenId, subStatus = status} = do
diff --git a/src/Simplex/Messaging/Server/StoreLog.hs b/src/Simplex/Messaging/Server/StoreLog.hs
index c47b06eb5..cfe2cd82e 100644
--- a/src/Simplex/Messaging/Server/StoreLog.hs
+++ b/src/Simplex/Messaging/Server/StoreLog.hs
@@ -55,6 +55,7 @@ data StoreLogRecord
   | DeleteQueue QueueId
   | DeleteNotifier QueueId
   | UpdateTime QueueId RoundedSystemTime
+  deriving (Show)
 
 data SLRTag
   = CreateQueue_
@@ -74,10 +75,11 @@ instance StrEncoding QueueRec where
         "sid=" <> strEncode senderId,
         "sk=" <> strEncode senderKey
       ]
-      <> if sndSecure then " sndSecure=" <> strEncode sndSecure else ""
+      <> sndSecureStr
       <> maybe "" notifierStr notifier
       <> maybe "" updatedAtStr updatedAt
     where
+      sndSecureStr = if sndSecure then " sndSecure=" <> strEncode sndSecure else ""
       notifierStr ntfCreds = " notifier=" <> strEncode ntfCreds
       updatedAtStr t = " updated_at=" <> strEncode t