diff --git a/lib/src/http/services/memory.dart b/lib/src/http/services/memory.dart
index 987c5a76..d2135b7b 100644
--- a/lib/src/http/services/memory.dart
+++ b/lib/src/http/services/memory.dart
@@ -26,9 +26,10 @@ class MemoryService<T> extends Service {
     } else throw new AngelHttpException.NotFound();
   }
 
-  Future<Object> create(Map data, [Map params]) async {
+  Future<Object> create(data, [Map params]) async {
     try {
-      items[items.length] = god.deserializeFromMap(data, T);
+      items[items.length] =
+      (data is Map) ? god.deserializeFromMap(data, T) : data;
       T created = items[items.length - 1];
       return makeJson(items.length - 1, created);
     } catch (e) {
@@ -36,13 +37,14 @@ class MemoryService<T> extends Service {
     }
   }
 
-  Future<Object> modify(id, Map data, [Map params]) async {
+  Future<Object> modify(id, data, [Map params]) async {
     int desiredId = int.parse(id.toString());
     if (items.containsKey(desiredId)) {
       try {
         Map existing = god.serializeToMap(items[desiredId]);
         data = mergeMap([existing, data]);
-        items[desiredId] = god.deserializeFromMap(data, T);
+        items[desiredId] =
+        (data is Map) ? god.deserializeFromMap(data, T) : data;
         return makeJson(desiredId, items[desiredId]);
       } catch (e) {
         throw new AngelHttpException.BadRequest(message: 'Invalid data.');
@@ -50,11 +52,12 @@ class MemoryService<T> extends Service {
     } else throw new AngelHttpException.NotFound();
   }
 
-  Future<Object> update(id, Map data, [Map params]) async {
+  Future<Object> update(id, data, [Map params]) async {
     int desiredId = int.parse(id.toString());
     if (items.containsKey(desiredId)) {
       try {
-        items[desiredId] = god.deserializeFromMap(data, T);
+        items[desiredId] =
+        (data is Map) ? god.deserializeFromMap(data, T) : data;
         return makeJson(desiredId, items[desiredId]);
       } catch (e) {
         throw new AngelHttpException.BadRequest(message: 'Invalid data.');
diff --git a/pubspec.yaml b/pubspec.yaml
index 48fabb46..68701c2f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: angel_framework
-version: 0.0.0-dev.15
+version: 0.0.0-dev.16
 description: Core libraries for the Angel framework.
 author: Tobe O <thosakwe@gmail.com>
 homepage: https://github.com/angel-dart/angel_framework