diff --git a/src/ui/popup.ts b/src/ui/popup.ts
index 4d98b42261b..4cb50f1d2d7 100644
--- a/src/ui/popup.ts
+++ b/src/ui/popup.ts
@@ -719,5 +719,5 @@ function normalizeOffset(offset: Offset = new Point(0, 0), anchor: Anchor = 'bot
     }
 
     // input specifies an offset per position
-    return Point.convert(offset[anchor] || [0, 0]);
+    return Point.convert(offset?.[anchor] ?? [0, 0]); 
 }