diff --git a/vr-configurator/Assets/Scripts/UI/PortSelector.cs b/vr-configurator/Assets/Scripts/UI/PortSelector.cs
index 0514bcd..a9546a3 100644
--- a/vr-configurator/Assets/Scripts/UI/PortSelector.cs
+++ b/vr-configurator/Assets/Scripts/UI/PortSelector.cs
@@ -76,5 +76,6 @@ public class PortSelector : MonoBehaviour, IResettable
             Destroy(psb);
         }
         listPSB.Clear();
+        mapPSB.Clear(); //items get destroyed before
     }
 }