diff --git a/codex-rs/core/src/tools/handlers/unified_exec.rs b/codex-rs/core/src/tools/handlers/unified_exec.rs
index 8665eeba91..a0b647e5fb 100644
--- a/codex-rs/core/src/tools/handlers/unified_exec.rs
+++ b/codex-rs/core/src/tools/handlers/unified_exec.rs
@@ -84,6 +84,11 @@ impl ToolHandler for UnifiedExecHandler {
             timeout_ms,
         };
 
+        session
+            .services
+            .executor
+            .update_environment(turn.sandbox_policy.clone(), turn.cwd.clone());
+
         let value = session
             .services
             .unified_exec_manager