diff --git a/mani_skill2/examples/demo_random_action.py b/mani_skill2/examples/demo_random_action.py
index b3fe83dce..ac20204d9 100644
--- a/mani_skill2/examples/demo_random_action.py
+++ b/mani_skill2/examples/demo_random_action.py
@@ -71,6 +71,7 @@ def main(args):
 
         if terminated or truncated:
             break
+    env.close()
 
 
 if __name__ == "__main__":