diff --git a/scripts/prove-metered-runtime.py b/scripts/prove-metered-runtime.py
index 2e351d9..c42aa77 100644
--- a/scripts/prove-metered-runtime.py
+++ b/scripts/prove-metered-runtime.py
@@ -188,6 +188,7 @@ print(json.dumps({'runtime_readonly':readonly,'python_prefix':sys.prefix,
             assert facts["proxy_absent"] and facts["interfaces"] == ["lo"]
             assert facts["cli_version"] == "2.1.266 (Claude Code)"
             adapter = AgenticClaudeCodeAdapter(workdir=Path(status.inputs["workspace_dir"]),
+                                               cli_path="/opt/sandboxer/runtime/bin/claude",
                                                model=profile.model.model)
             argv = adapter._build_command(RunConfig(model_params={"max_budget_usd": cap, "max_turns": 4}))
             executed = manager.execute(status.sandbox_id, SandboxExecRequest(