diff --git a/OpenMetaverse.Tests/PacketTests.cs b/OpenMetaverse.Tests/PacketTests.cs
index fdf0c093..4d872f05 100644
--- a/OpenMetaverse.Tests/PacketTests.cs
+++ b/OpenMetaverse.Tests/PacketTests.cs
@@ -165,6 +165,7 @@ namespace OpenMetaverse.Tests
             scriptDialogPacket.Data.ObjectName = Utils.EmptyBytes;
             scriptDialogPacket.Buttons = new ScriptDialogPacket.ButtonsBlock[0];
             scriptDialogPacket.OwnerData = new ScriptDialogPacket.OwnerDataBlock[1];
+            scriptDialogPacket.OwnerData[0] = new ScriptDialogPacket.OwnerDataBlock();
             scriptDialogPacket.OwnerData[0].OwnerID = UUID.Zero;
 
             byte[][] splitPacket = scriptDialogPacket.ToBytesMultiple();