diff --git a/packages/frontend-core/src/components/grid/stores/columns.ts b/packages/frontend-core/src/components/grid/stores/columns.ts
index 01cbf3af22..18ef8f55c2 100644
--- a/packages/frontend-core/src/components/grid/stores/columns.ts
+++ b/packages/frontend-core/src/components/grid/stores/columns.ts
@@ -180,7 +180,7 @@ export const initialise = (context: StoreContext) => {
             conditions: fieldSchema.conditions,
             related: fieldSchema.related,
             calculationType: fieldSchema.calculationType,
-            __left: 0, // TODO
+            __left: undefined as any, // TODO
           }
           // Override a few properties for primary display
           if (field === primaryDisplay) {