diff --git a/json_serialization/reader.nim b/json_serialization/reader.nim
index fdd98b9..f6529f0 100644
--- a/json_serialization/reader.nim
+++ b/json_serialization/reader.nim
@@ -221,7 +221,11 @@ proc readValue*(r: var JsonReader, value: var auto) =
       let fields = T.fieldReadersTable(JsonReader)
       var expectedFieldPos = 0
       while r.lexer.tok == tkString:
-        let reader = findFieldReader(fields[], r.lexer.strVal, expectedFieldPos)
+        when T is tuple:
+          var reader = fields[][expectedFieldPos].reader
+          expectedFieldPos += 1
+        else:
+          var reader = findFieldReader(fields[], r.lexer.strVal, expectedFieldPos)
         r.lexer.next()
         r.skipToken tkColon
         if reader != nil:
diff --git a/json_serialization/std/net.nim b/json_serialization/std/net.nim
index 3750be2..de311f4 100644
--- a/json_serialization/std/net.nim
+++ b/json_serialization/std/net.nim
@@ -1,5 +1,9 @@
-import std/net, ../../json_serialization.nim
-export net
+import
+  std/[net, strutils],
+  ../../json_serialization, chronos/transports/common
+
+export
+  net, common
 
 proc writeValue*(writer: var JsonWriter, value: Port) =
   writeValue(writer, uint16 value)
@@ -7,3 +11,9 @@ proc writeValue*(writer: var JsonWriter, value: Port) =
 proc readValue*(reader: var JsonReader, value: var Port) =
   value = Port reader.readValue(uint16)
 
+proc writeValue*(writer: var JsonWriter, value: AddressFamily) =
+  writeValue(writer, $value)
+
+proc readValue*(reader: var JsonReader, value: var AddressFamily) =
+  value = parseEnum[AddressFamily](reader.readValue(string))
+