diff --git a/clients/python/agentic-sandbox-client/k8s_agent_sandbox/k8s_helper.py b/clients/python/agentic-sandbox-client/k8s_agent_sandbox/k8s_helper.py
index 242bd7cc3..cf8c25b01 100644
--- a/clients/python/agentic-sandbox-client/k8s_agent_sandbox/k8s_helper.py
+++ b/clients/python/agentic-sandbox-client/k8s_agent_sandbox/k8s_helper.py
@@ -90,7 +90,8 @@ def resolve_sandbox_name(self, claim_name: str, namespace: str, timeout: int) ->
                 claim_object = event['object']
                 sandbox_status = claim_object.get(
                     'status', {}).get('sandbox', {})
-                name = sandbox_status.get('name', '')
+                # Support both 'name' (standard) and 'Name' (legacy, before CRD rename in #440)
+                name = sandbox_status.get('name', '') or sandbox_status.get('Name', '')
                 if name:
                     logging.info(
                         f"Resolved sandbox name '{name}' from claim status")