diff --git a/Pilz.Networking/ConnectionManagerBase.vb b/Pilz.Networking/ConnectionManagerBase.vb
index 7c0fa48..18608d9 100644
--- a/Pilz.Networking/ConnectionManagerBase.vb
+++ b/Pilz.Networking/ConnectionManagerBase.vb
@@ -38,7 +38,7 @@ Public MustInherit Class ConnectionManagerBase
         Send(empfängerIP, cmd, CObj(info))
     End Sub
 
-    Public Sub RaiseRetriveData(senderIP As String, cmd As String, content As Object)
+    Protected Sub RaiseRetriveData(senderIP As String, cmd As String, content As Object)
         RaiseEvent RetriveData(Me, senderIP, cmd, content)
     End Sub