diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 42f77c664d..c4109dda13 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -7785,7 +7785,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 foreach (SceneObjectPart part in parts)
                     remaining = SetPrimParams(part, rules);
 
-                while(remaining != null && remaining.Length > 2)
+                while((object)remaining != null && remaining.Length > 2)
                 {
                     linknumber = remaining.GetLSLIntegerItem(0);
                     rules = remaining.GetSublist(1,-1);