diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 76ade1f7b5..97dd2e11d4 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3780,6 +3780,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
             m_host.AddScriptLPS(1);
             UUID invItemID = InventorySelf();
+            UUID targetID;
+
+            if (!UUID.TryParse(target, out targetID))
+                return;
 
             TaskInventoryItem item;
             m_host.TaskInventory.LockItemsForRead(true);
@@ -3798,7 +3802,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (sp != null)
                 client = sp.ControllingClient;
 
-            SceneObjectPart targetPart = World.GetSceneObjectPart((UUID)target);
+            SceneObjectPart targetPart = World.GetSceneObjectPart((UUID)targetID);
 
             if (targetPart.ParentGroup.RootPart.AttachmentPoint != 0)
                 return; // Fail silently if attached