diff --git a/src/renderers/Form/InputNumber.tsx b/src/renderers/Form/InputNumber.tsx
index 8bb126cd9..da08e374f 100644
--- a/src/renderers/Form/InputNumber.tsx
+++ b/src/renderers/Form/InputNumber.tsx
@@ -120,6 +120,7 @@ export default class NumberControl extends React.Component<NumberProps, any> {
 })
 export class NumberControlRenderer extends NumberControl {
   static defaultProps: Partial<FormControlProps> = {
-    validations: 'isNumeric'
+    validations: 'isNumeric',
+    ...NumberControl.defaultProps
   };
 }