diff --git a/Unity/OpenSee.cs b/Unity/OpenSee.cs
index a95264d..f3bfab3 100644
--- a/Unity/OpenSee.cs
+++ b/Unity/OpenSee.cs
@@ -187,6 +187,8 @@ public class OpenSee : MonoBehaviour {
             receiveThread.Join();
             stopReception = false;
         }
+        if (socket != null)
+            socket.Close();
     }
 }