diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index e5fc027c97..ff4abf9dab 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -1950,7 +1950,7 @@ namespace OpenSim.Region.Framework.Scenes
                             {
                                 bool found = m_parentGroup.RootPart.CollisionFilter.TryGetValue(1,out data);
                                 //If it is 1, it is to accept ONLY collisions from this object, so this other object will not work
-                                if (found)
+                                if (!found)
                                 {
                                     DetectedObject detobj = new DetectedObject();
                                     detobj.keyUUID = obj.UUID;
@@ -2086,7 +2086,7 @@ namespace OpenSim.Region.Framework.Scenes
                             {
                                 bool found = m_parentGroup.RootPart.CollisionFilter.TryGetValue(1,out data);
                                 //If it is 1, it is to accept ONLY collisions from this object, so this other object will not work
-                                if (found)
+                                if (!found)
                                 {
                                     DetectedObject detobj = new DetectedObject();
                                     detobj.keyUUID = obj.UUID;
@@ -2217,7 +2217,7 @@ namespace OpenSim.Region.Framework.Scenes
                             {
                                 bool found = m_parentGroup.RootPart.CollisionFilter.TryGetValue(1,out data);
                                 //If it is 1, it is to accept ONLY collisions from this object, so this other object will not work
-                                if (found)
+                                if (!found)
                                 {
                                     DetectedObject detobj = new DetectedObject();
                                     detobj.keyUUID = obj.UUID;