diff --git a/Userland/Libraries/LibJS/Runtime/Object.h b/Userland/Libraries/LibJS/Runtime/Object.h
index 7f5ad6e732..4d51e4936c 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.h
+++ b/Userland/Libraries/LibJS/Runtime/Object.h
@@ -218,6 +218,8 @@ public:
 
     void set_prototype(Object*);
 
+    static FlatPtr may_interfere_with_indexed_property_access_offset() { return OFFSET_OF(Object, m_may_interfere_with_indexed_property_access); }
+
 protected:
     enum class GlobalObjectTag { Tag };
     enum class ConstructWithoutPrototypeTag { Tag };