diff --git a/lib/server/storage/models-manager.js b/lib/server/storage/models-manager.js
index ef51a0f..e4a3c6c 100644
--- a/lib/server/storage/models-manager.js
+++ b/lib/server/storage/models-manager.js
@@ -16,7 +16,9 @@ class ModelsManager
     constructor()
     {
         this.dataServer = DataServer;
-        this.dataServer.initialize();
+        if(!DataServer.initialized){
+            DataServer.initialize();
+        }
         this.models = {
             item: ItemModel,
             group: GroupModel,
diff --git a/package.json b/package.json
index 9bba6a7..fbbb184 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@reldens/items-system",
-    "version": "0.5.1",
+    "version": "0.5.2",
     "description": "Reldens - Items System",
     "source": true,
     "homepage": "https://github.com/damian-pastorini/reldens-items",
@@ -37,7 +37,7 @@
     "license": "MIT",
     "dependencies": {
         "@reldens/utils": "^0.1.5",
-        "@reldens/storage": "^0.1.3"
+        "@reldens/storage": "^0.1.4"
     },
     "devDependencies": {}
 }