diff --git a/Content.Shared/Interaction/SharedInteractionSystem.cs b/Content.Shared/Interaction/SharedInteractionSystem.cs
index 940d8ffbb0..4c22bcb14e 100644
--- a/Content.Shared/Interaction/SharedInteractionSystem.cs
+++ b/Content.Shared/Interaction/SharedInteractionSystem.cs
@@ -159,7 +159,7 @@ private void OnBoundInterfaceInteractAttempt(BoundUserInterfaceMessageAttempt ev
             if (uiComp == null)
                 return;
 
-            if (uiComp.SingleUser && uiComp.CurrentSingleUser != ev.Actor)
+            if (uiComp.SingleUser && uiComp.CurrentSingleUser != null && uiComp.CurrentSingleUser != ev.Actor)
             {
                 ev.Cancel();
                 return;