diff --git a/src/Nitride/Entities/EntitySequence.cs b/src/Nitride/Entities/EntitySequence.cs
index e90ac75..bfb2b09 100644
--- a/src/Nitride/Entities/EntitySequence.cs
+++ b/src/Nitride/Entities/EntitySequence.cs
@@ -15,15 +15,15 @@ public class EntitySequence
         this.Index = index;
     }
 
-    public bool HasNext => !this.IsLast;
+    public bool HasNext => this.Sequence.Count > 0 && !this.IsLast;
 
-    public bool HasPrevious => !this.IsFirst;
+    public bool HasPrevious => this.Sequence.Count > 0 && !this.IsFirst;
 
     public int Index { get; }
 
-    public bool IsFirst => this.Index == 0;
+    public bool IsFirst => this.Sequence.Count > 0 && this.Index == 0;
 
-    public bool IsLast => this.Index == this.Sequence.Count - 1;
+    public bool IsLast => this.Sequence.Count > 0 && this.Index == this.Sequence.Count - 1;
 
     public Entity? Next => this.HasNext ? this.Sequence[this.Index + 1] : null;