diff --git a/libsecondlife-cs/MainAvatar.cs b/libsecondlife-cs/MainAvatar.cs
index 91a823c0..d05b735e 100644
--- a/libsecondlife-cs/MainAvatar.cs
+++ b/libsecondlife-cs/MainAvatar.cs
@@ -448,8 +448,10 @@ namespace libsecondlife
         public void GiveMoney(LLUUID target, int amount, string description)
         {
             // 5001 - transaction type for av to av money transfers
-
-            GiveMoney(target, amount, description, 5001);
+            if (amount > 0)
+                GiveMoney(target, amount, description, 5001);
+            else
+                Client.Log("Attempted to pay zero or negative value " + amount, Helpers.LogLevel.Warning);
         }
 
         /// <summary>
diff --git a/libsecondlife-cs/NetworkManager.cs b/libsecondlife-cs/NetworkManager.cs
index dc09077e..e6d0e4f0 100644
--- a/libsecondlife-cs/NetworkManager.cs
+++ b/libsecondlife-cs/NetworkManager.cs
@@ -659,16 +659,17 @@ namespace libsecondlife
         {
             get { return connected; }
         }
+
         /// <summary>
         /// An event for the connection to a simulator other than the currently
         /// occupied one disconnecting
         /// </summary>
-        public SimDisconnectCallback OnSimDisconnected;
+        public event SimDisconnectCallback OnSimDisconnected;
         /// <summary>
         /// An event for being logged out either through client request, server
         /// forced, or network error
         /// </summary>
-        public DisconnectCallback OnDisconnected;
+        public event DisconnectCallback OnDisconnected;
 
         private SecondLife Client;
         private Dictionary<PacketType, List<PacketCallback>> Callbacks = new Dictionary<PacketType,List<PacketCallback>>();