diff --git a/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs b/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
index 53593545ef..2052cdb6f4 100644
--- a/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
+++ b/OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs
@@ -121,8 +121,8 @@ namespace OpenSim.Region.OptionalModules.World.NPC
             npcAvatar.CircuitCode = (uint)Util.RandomClass.Next(0, int.MaxValue);
 
             m_log.DebugFormat(
-                "[NPC MODULE]: Creating NPC {0} {1} {2} at {3} in {4}",
-                firstname, lastname, npcAvatar.AgentId, position, scene.RegionInfo.RegionName);
+                "[NPC MODULE]: Creating NPC {0} {1} {2}, owner={3}, senseAsAgent={4} at {5} in {6}",
+                firstname, lastname, npcAvatar.AgentId, owner, senseAsAgent, position, scene.RegionInfo.RegionName);
 
             AgentCircuitData acd = new AgentCircuitData();
             acd.AgentID = npcAvatar.AgentId;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
index b1583ebb1e..646a97b44b 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
@@ -2233,7 +2233,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             CheckThreatLevel(ThreatLevel.High, "osNpcCreate");
             m_host.AddScriptLPS(1);
 
-            return NpcCreate(firstname, lastname, position, notecard, false, true);
+            return NpcCreate(firstname, lastname, position, notecard, false, false);
         }
 
         public LSL_Key osNpcCreate(string firstname, string lastname, LSL_Vector position, string notecard, int options)
@@ -2244,7 +2244,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             return NpcCreate(
                 firstname, lastname, position, notecard,
                 (options & ScriptBaseClass.OS_NPC_NOT_OWNED) == 0,
-                (options & ScriptBaseClass.OS_NPC_SENSE_AS_AGENT) == 0);
+                (options & ScriptBaseClass.OS_NPC_SENSE_AS_AGENT) != 0);
         }
 
         private LSL_Key NpcCreate(
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
index 850f50b13d..5c1bdff9db 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs
@@ -31,7 +31,6 @@ using System.Collections.Generic;
 using OpenMetaverse;
 using OpenSim.Framework;
 using log4net;
-
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using OpenSim.Region.ScriptEngine.Shared;
@@ -41,6 +40,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
 {
     public class SensorRepeat
     {
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
         public AsyncCommandManager m_CmdManager;
 
         public SensorRepeat(AsyncCommandManager CmdManager)
@@ -447,11 +448,20 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
 
             Action<ScenePresence> senseEntity = new Action<ScenePresence>(presence =>
             {
+//                m_log.DebugFormat(
+//                    "[SENSOR REPEAT]: Inspecting scene presence {0}, type {1} on sensor sweep for {2}, type {3}",
+//                    presence.Name, presence.PresenceType, ts.name, ts.type);
+
                 if ((ts.type & NPC) == 0 && presence.PresenceType == PresenceType.Npc)
                 {
                     INPC npcData = npcModule.GetNPC(presence.UUID, presence.Scene);
                     if (npcData == null || !npcData.SenseAsAgent)
+                    {
+//                        m_log.DebugFormat(
+//                            "[SENSOR REPEAT]: Discarding NPC {0} from agent sense sweep for script item id {1}",
+//                            presence.Name, ts.itemID);
                         return;
+                    }
                 }
 
                 if ((ts.type & AGENT) == 0)
@@ -464,7 +474,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
                     {
                         INPC npcData = npcModule.GetNPC(presence.UUID, presence.Scene);
                         if (npcData != null && npcData.SenseAsAgent)
+                        {
+//                            m_log.DebugFormat(
+//                                "[SENSOR REPEAT]: Discarding NPC {0} from non-agent sense sweep for script item id {1}",
+//                                presence.Name, ts.itemID);
                             return;
+                        }
                     }
                 }