diff --git a/surfsense_backend/app/agents/new_chat/sandbox.py b/surfsense_backend/app/agents/new_chat/sandbox.py
index 79947de2b..614a1b1b9 100644
--- a/surfsense_backend/app/agents/new_chat/sandbox.py
+++ b/surfsense_backend/app/agents/new_chat/sandbox.py
@@ -126,6 +126,10 @@ def _find_or_create(thread_id: str) -> tuple[_TimeoutAwareSandbox, bool]:
                 sandbox.id,
                 sandbox.state,
             )
+            try:
+                client.delete(sandbox)
+            except Exception:
+                logger.debug("Could not delete broken sandbox %s", sandbox.id, exc_info=True)
             sandbox = client.create(_sandbox_create_params(labels))
             is_new = True
             logger.info("Created replacement sandbox: %s", sandbox.id)