diff --git a/app/src/frontend/building/data-container.tsx b/app/src/frontend/building/data-container.tsx
index 911e9567..203890dd 100644
--- a/app/src/frontend/building/data-container.tsx
+++ b/app/src/frontend/building/data-container.tsx
@@ -248,7 +248,7 @@ const withCopyEdit: (wc: React.ComponentType<CategoryViewProps>) => DataContaine
             }
             
             const edits = (slug == 'current_landuse_group') ?
-             {['date_year']: value} : 
+             {['fake_slug']: value} : 
              {[slug]: value}
 
             this.doSubmit(edits);
diff --git a/app/src/frontend/config/data-fields-config.ts b/app/src/frontend/config/data-fields-config.ts
index f808f000..ef01e74d 100644
--- a/app/src/frontend/config/data-fields-config.ts
+++ b/app/src/frontend/config/data-fields-config.ts
@@ -632,7 +632,8 @@ export const dataFields = { /* eslint-disable @typescript-eslint/camelcase */
                 year_demolished: { min: 1993, max: 1994 },
                 lifespan: "2-5", overlap_present: "50%", links: ["", ""]}
         ]
-    }
+    },
+    fake_slug: {}
 };
 
 export const allFieldsConfig = {...dataFields, ...buildingUserFields};
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