diff --git a/aim/cli/runs/commands.py b/aim/cli/runs/commands.py
index 104c1e27d6..e91e93f291 100644
--- a/aim/cli/runs/commands.py
+++ b/aim/cli/runs/commands.py
@@ -25,9 +25,10 @@ def runs(ctx, repo):
 def list_runs(ctx):
     """List Runs available in Repo."""
     repo_path = ctx.obj['repo']
-    if not Repo.exists(repo_path):
-        click.echo(f'\'{repo_path}\' is not a valid aim repo.')
-        exit(1)
+    if not Repo.is_remote_path(repo_path):
+        if not Repo.exists(repo_path):
+            click.echo(f'\'{repo_path}\' is not a valid aim repo.')
+            exit(1)
 
     repo = Repo.from_path(repo_path)
     run_hashes = repo.list_all_runs()
diff --git a/aim/ext/transport/handlers.py b/aim/ext/transport/handlers.py
index cd14e1ac3d..aa4a94175c 100644
--- a/aim/ext/transport/handlers.py
+++ b/aim/ext/transport/handlers.py
@@ -67,7 +67,8 @@ def get_structured_run(hash_, read_only, created_at, **kwargs):
         repo = Repo.from_path(repo_path)
     else:
         repo = Repo.default_repo()
-    created_at = datetime.fromtimestamp(created_at, tz=pytz.utc).replace(tzinfo=None)
+    if created_at is not None:
+        created_at = datetime.fromtimestamp(created_at, tz=pytz.utc).replace(tzinfo=None)
     return ResourceRef(repo.request_props(hash_, read_only, created_at))
 
 
diff --git a/aim/storage/structured/proxy.py b/aim/storage/structured/proxy.py
index a2f7ee019a..6d6b97f497 100644
--- a/aim/storage/structured/proxy.py
+++ b/aim/storage/structured/proxy.py
@@ -23,7 +23,7 @@ def __init__(self, client: 'Client',
         kwargs = {
             'hash_': hash_,
             'read_only': read_only,
-            'created_at': created_at.timestamp()
+            'created_at': created_at.timestamp() if created_at is not None else created_at
         }
 
         self.init_args = pack_args(encode_tree(kwargs))