diff --git a/src/app/components/inputnumber/inputnumber.ts b/src/app/components/inputnumber/inputnumber.ts
index c5e68828dac..cd30b7988d3 100644
--- a/src/app/components/inputnumber/inputnumber.ts
+++ b/src/app/components/inputnumber/inputnumber.ts
@@ -558,8 +558,8 @@ export class InputNumber implements OnInit, AfterContentInit, OnChanges, Control
             currency: this.currency,
             currencyDisplay: this.currencyDisplay,
             useGrouping: this.useGrouping,
-            minimumFractionDigits: this.minFractionDigits,
-            maximumFractionDigits: this.maxFractionDigits
+            minimumFractionDigits: this.minFractionDigits ? this.minFractionDigits : undefined,
+            maximumFractionDigits: this.maxFractionDigits ? this.maxFractionDigits : undefined
         };
     }