diff --git a/packages/react/src/Grid/Grid.tsx b/packages/react/src/Grid/Grid.tsx
index f0b8227dee..1bd23eb7c5 100644
--- a/packages/react/src/Grid/Grid.tsx
+++ b/packages/react/src/Grid/Grid.tsx
@@ -10,7 +10,11 @@ import { GridCell } from './GridCell'
 import { paddingClasses } from './paddingClasses'
 
 export type GridColumnNumber = 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12
-export type GridColumnNumbers = { narrow: GridColumnNumber; medium: GridColumnNumber; wide: GridColumnNumber }
+export type GridColumnNumbers = {
+  narrow: 1 | 2 | 3 | 4
+  medium: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8
+  wide: GridColumnNumber
+}
 export type GridPaddingSize = 'small' | 'medium' | 'large'
 
 type GridPaddingVerticalProp = {
diff --git a/packages/react/src/Grid/gridCellClasses.ts b/packages/react/src/Grid/gridCellClasses.ts
index 43dbe55c15..056d132b83 100644
--- a/packages/react/src/Grid/gridCellClasses.ts
+++ b/packages/react/src/Grid/gridCellClasses.ts
@@ -3,12 +3,10 @@
  * Copyright Gemeente Amsterdam
  */
 
+import type { GridColumnNumber, GridColumnNumbers } from './Grid'
 import type { GridCellProps } from './GridCell'
 
-export const addGridClass = (
-  prefix: string,
-  value?: number | { narrow: number; medium: number; wide: number } | 'all',
-): string[] => {
+export const addGridClass = (prefix: string, value?: GridColumnNumber | GridColumnNumbers | 'all'): string[] => {
   if (value === 'all' || typeof value === 'number') {
     return [`${prefix}${value}`]
   } else if (value) {
diff --git a/packages/react/src/Grid/index.ts b/packages/react/src/Grid/index.ts
index 0d8979c3b0..4cd42ca193 100644
--- a/packages/react/src/Grid/index.ts
+++ b/packages/react/src/Grid/index.ts
@@ -1,3 +1,3 @@
 export { Grid } from './Grid'
-export type { GridProps, GridColumnNumber, GridColumnNumbers } from './Grid'
+export type { GridColumnNumber, GridColumnNumbers, GridProps } from './Grid'
 export type { GridCellProps } from './GridCell'