diff --git a/components/lib/inputnumber/InputNumber.vue b/components/lib/inputnumber/InputNumber.vue
index 3c871e620..56a4a47c4 100755
--- a/components/lib/inputnumber/InputNumber.vue
+++ b/components/lib/inputnumber/InputNumber.vue
@@ -160,8 +160,8 @@ export default {
                 currency: this.currency,
                 currencyDisplay: this.currencyDisplay,
                 useGrouping: this.useGrouping,
-                minimumFractionDigits: this.minFractionDigits,
-                maximumFractionDigits: this.maxFractionDigits,
+                minimumFractionDigits: this.minFractionDigits ?? undefined,
+                maximumFractionDigits: this.maxFractionDigits ?? undefined,
                 roundingMode: this.roundingMode
             };
         },