diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6ab448..3a94562 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,7 @@
 
 ## 4.4.2 (unreleased)
 
-
-- Nothing changed yet.
-
+- Fix auth validation with async client.
 
 ## 4.4.1 (2024-12-19)
 
diff --git a/nuclia/data.py b/nuclia/data.py
index 57cb50a..a4da486 100644
--- a/nuclia/data.py
+++ b/nuclia/data.py
@@ -86,7 +86,7 @@ def get_client(kbid: str) -> NucliaDBClient:
     return ndb
 
 
-def get_async_client(kbid: str) -> AsyncNucliaDBClient:
+async def get_async_client(kbid: str) -> AsyncNucliaDBClient:
     auth = get_async_auth()
     kb_obj = auth._config.get_kb(kbid)
 
@@ -96,7 +96,7 @@ def get_async_client(kbid: str) -> AsyncNucliaDBClient:
         # OSS
         ndb = AsyncNucliaDBClient(environment=Environment.OSS, url=kb_obj.url)
     else:
-        if kb_obj.token is None and auth._validate_user_token():
+        if kb_obj.token is None and await auth._validate_user_token():
             # User token auth
             ndb = AsyncNucliaDBClient(
                 environment=Environment.CLOUD,
diff --git a/nuclia/decorators.py b/nuclia/decorators.py
index 0d78d7e..557afd1 100644
--- a/nuclia/decorators.py
+++ b/nuclia/decorators.py
@@ -47,7 +47,7 @@ async def async_wrapper_checkout_kb(*args, **kwargs):
             kbid = auth._config.get_default_kb()
             if kbid is None:
                 raise NotDefinedDefault()
-            ndb = get_async_client(kbid)
+            ndb = await get_async_client(kbid)
         elif url.find(BASE_DOMAIN) >= 0:
             region = url.split(".")[0].split("/")[-1]
             ndb = AsyncNucliaDBClient(
diff --git a/nuclia/sdk/kb.py b/nuclia/sdk/kb.py
index 511e09c..b3ec7dd 100644
--- a/nuclia/sdk/kb.py
+++ b/nuclia/sdk/kb.py
@@ -552,7 +552,7 @@ async def copy(
                     remote_files[file_id] = file.value
                 else:
                     files_to_upload.append({"id": file_id, "data": file.value})
-        destination_kb = get_async_client(destination)
+        destination_kb = await get_async_client(destination)
         failed = False
         try:
             uuid = await self.resource.create(ndb=destination_kb, **data)