diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 314705ebb7..6feb3337ea 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -2556,7 +2556,7 @@ namespace OpenSim.Region.Framework.Scenes
                 linkPart.CreateSelected = true;
 
                 // let physics know preserve part volume dtc messy since UpdatePrimFlags doesn't look to parent changes for now
-                linkPart.UpdatePrimFlags(grpusephys, grptemporary, IsPhantom || ((linkPart.Flags & PrimFlags.Phantom) != null), linkPart.VolumeDetectActive, true);
+                linkPart.UpdatePrimFlags(grpusephys, grptemporary, (IsPhantom || (linkPart.Flags & PrimFlags.Phantom) != 0), linkPart.VolumeDetectActive, true);
                 if (linkPart.PhysActor != null && m_rootPart.PhysActor != null && m_rootPart.PhysActor.IsPhysical)
                 {
                     linkPart.PhysActor.link(m_rootPart.PhysActor);
@@ -2578,7 +2578,7 @@ namespace OpenSim.Region.Framework.Scenes
                     {
                         LinkNonRootPart(part, oldGroupPosition, oldRootRotation, linkNum++);
                         // let physics know
-                        part.UpdatePrimFlags(grpusephys, grptemporary, IsPhantom || ((part.Flags & PrimFlags.Phantom) != null), part.VolumeDetectActive, true);
+                        part.UpdatePrimFlags(grpusephys, grptemporary, (IsPhantom || (part.Flags & PrimFlags.Phantom) != 0), part.VolumeDetectActive, true);
                         if (part.PhysActor != null && m_rootPart.PhysActor != null && m_rootPart.PhysActor.IsPhysical)
                         {
                             part.PhysActor.link(m_rootPart.PhysActor);