diff --git a/NEG/UI/UiManager.cs b/NEG/UI/UiManager.cs
index c25e4b3..70b7478 100644
--- a/NEG/UI/UiManager.cs
+++ b/NEG/UI/UiManager.cs
@@ -183,6 +183,8 @@ namespace NEG.UI
 
             while (popupsToShow.TryDequeue(out var d, out int p))
             {
+                if(d == null)
+                    continue;
                 if(!d.IsValid)
                     continue;
                 if(d == currentShownPopup.data)