diff --git a/enigprotocol/Commands.cs b/enigprotocol/Commands.cs
index d9bf711..49ac685 100644
--- a/enigprotocol/Commands.cs
+++ b/enigprotocol/Commands.cs
@@ -43,5 +43,7 @@ namespace ENIGProtocol
         EmptyNode,
         Goto,
         ManualMode,
+        UnknownCommand,
+        UnknownAlias,
     }
 }
diff --git a/enigprotocol/EEProtocol.cs b/enigprotocol/EEProtocol.cs
index f5718a9..9a3cf90 100644
--- a/enigprotocol/EEProtocol.cs
+++ b/enigprotocol/EEProtocol.cs
@@ -224,6 +224,11 @@ namespace ENIG
                     ProtocolParseError += 1;
                     if (ProtocolParseError > 3) buffer.Clear();
                 } else ProtocolParseError = 0;
+
+                if(buffer.Any())
+                {
+                    System.Threading.Thread.Sleep(1);
+                }
             }
         }
     }