diff --git a/Sharp7.Rx/Sharp7Connector.cs b/Sharp7.Rx/Sharp7Connector.cs
index 3063471..9b89375 100644
--- a/Sharp7.Rx/Sharp7Connector.cs
+++ b/Sharp7.Rx/Sharp7Connector.cs
@@ -153,6 +153,7 @@ namespace Sharp7.Rx
                         sharp7 = null;
                     }
 
+                    connectionStateSubject?.OnCompleted();
                     connectionStateSubject?.Dispose();
                 }