diff --git a/Scripts/Regions/GuardedRegion.cs b/Scripts/Regions/GuardedRegion.cs
index 5d773e208..53f1b4bf1 100644
--- a/Scripts/Regions/GuardedRegion.cs
+++ b/Scripts/Regions/GuardedRegion.cs
@@ -345,7 +345,7 @@ namespace Server.Regions
 
 		public bool IsGuardCandidate( Mobile m )
 		{
-			if ( m is BaseGuard || !m.Alive || m.AccessLevel > AccessLevel.Player || m.Blessed || IsDisabled() )
+			if ( m is BaseGuard || !m.Alive || m.AccessLevel > AccessLevel.Player || m.Blessed || ( m is BaseCreature && ((BaseCreature)m).IsInvulnerable ) || IsDisabled() )
 				return false;
 
 			return (!AllowReds && m.Kills >= 5) || m.Criminal;