diff --git a/sky/provision/aws/instance.py b/sky/provision/aws/instance.py
index 6abc18795ac..c4de8397c7e 100644
--- a/sky/provision/aws/instance.py
+++ b/sky/provision/aws/instance.py
@@ -257,9 +257,9 @@ def _get_head_instance_id(instances: List) -> Optional[str]:
                     logger.warning(
                         'There are multiple head nodes in the cluster '
                         f'(current head instance id: {head_instance_id}, '
-                        f'newly discovered id: {inst.id}). It is likely '
+                        f'newly discovered id: {inst.name}). It is likely '
                         f'that something goes wrong.')
-                head_instance_id = inst.id
+                head_instance_id = inst.name
                 break
     return head_instance_id
 
diff --git a/sky/provision/azure/instance.py b/sky/provision/azure/instance.py
index 20b07cdfd37..c8c29dbf64c 100644
--- a/sky/provision/azure/instance.py
+++ b/sky/provision/azure/instance.py
@@ -429,8 +429,9 @@ def _create_instance_tag(target_instance, is_head: bool = True) -> str:
         head_instance_id = _create_instance_tag(instances_to_tag[0])
         instances_to_tag = instances_to_tag[1:]
     else:
-        instances_to_tag = [inst for inst in instances_to_tag
-                            if inst.name != head_instance_id]
+        instances_to_tag = [
+            inst for inst in instances_to_tag if inst.name != head_instance_id
+        ]
 
     if instances_to_tag:
         # Tag the instances in case the old resumed instances are not correctly