diff --git a/lib/manager/v2/fileSystem/LockManager.js b/lib/manager/v2/fileSystem/LockManager.js
index 9a41f36e..879f9131 100644
--- a/lib/manager/v2/fileSystem/LockManager.js
+++ b/lib/manager/v2/fileSystem/LockManager.js
@@ -4,7 +4,8 @@ var LocalLockManager = (function () {
     function LocalLockManager(serializedData) {
         this.locks = [];
         if (serializedData)
-            Object.defineProperties(this, serializedData);
+            for (var name_1 in serializedData)
+                this[name_1] = serializedData[name_1];
     }
     LocalLockManager.prototype.getLocks = function (callback) {
         this.locks = this.locks.filter(function (lock) { return !lock.expired(); });
diff --git a/lib/manager/v2/fileSystem/PropertyManager.js b/lib/manager/v2/fileSystem/PropertyManager.js
index dd15bb16..c1165273 100644
--- a/lib/manager/v2/fileSystem/PropertyManager.js
+++ b/lib/manager/v2/fileSystem/PropertyManager.js
@@ -5,7 +5,8 @@ var LocalPropertyManager = (function () {
     function LocalPropertyManager(serializedData) {
         this.properties = {};
         if (serializedData)
-            Object.defineProperties(this, serializedData);
+            for (var name_1 in serializedData)
+                this[name_1] = serializedData[name_1];
     }
     LocalPropertyManager.prototype.setProperty = function (name, value, attributes, callback) {
         this.properties[name] = {
diff --git a/src/manager/v2/fileSystem/LockManager.ts b/src/manager/v2/fileSystem/LockManager.ts
index 18766e3a..3d3d62c9 100644
--- a/src/manager/v2/fileSystem/LockManager.ts
+++ b/src/manager/v2/fileSystem/LockManager.ts
@@ -27,7 +27,8 @@ export class LocalLockManager implements ILockManager
     constructor(serializedData ?: any)
     {
         if(serializedData)
-            Object.defineProperties(this, serializedData as any);
+            for(const name in serializedData)
+                this[name] = serializedData[name];
     }
 
     getLocks(callback : ReturnCallback<Lock[]>) : void
diff --git a/src/manager/v2/fileSystem/PropertyManager.ts b/src/manager/v2/fileSystem/PropertyManager.ts
index 8f258ebe..a97b805a 100644
--- a/src/manager/v2/fileSystem/PropertyManager.ts
+++ b/src/manager/v2/fileSystem/PropertyManager.ts
@@ -34,7 +34,8 @@ export class LocalPropertyManager implements IPropertyManager
     constructor(serializedData ?: any)
     {
         if(serializedData)
-            Object.defineProperties(this, serializedData as any);
+            for(const name in serializedData)
+                this[name] = serializedData[name];
     }
 
     setProperty(name : string, value : ResourcePropertyValue, attributes : PropertyAttributes, callback : SimpleCallback) : void