diff --git a/src/components/inputnumber/InputNumber.vue b/src/components/inputnumber/InputNumber.vue
index b50eff2e8..b3da79d44 100755
--- a/src/components/inputnumber/InputNumber.vue
+++ b/src/components/inputnumber/InputNumber.vue
@@ -184,10 +184,10 @@ export default {
             const numerals = [...new Intl.NumberFormat(this.locale, {useGrouping: false}).format(9876543210)].reverse();
             const index = new Map(numerals.map((d, i) => [d, i]));
             this._numeral = new RegExp(`[${numerals.join('')}]`, 'g');
-            this._decimal = this.getDecimalExpression();
             this._group = this.getGroupingExpression();
             this._minusSign = this.getMinusSignExpression();
             this._currency = this.getCurrencyExpression();
+            this._decimal = this.getDecimalExpression();
             this._suffix = this.getSuffixExpression();
             this._prefix = this.getPrefixExpression();
             this._index = d => index.get(d);
@@ -201,8 +201,8 @@ export default {
             return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
         },
         getDecimalExpression() {
-            const formatter = new Intl.NumberFormat(this.locale, {useGrouping: false});
-            return new RegExp(`[${formatter.format(1.1).trim().replace(this._numeral, '')}]`, 'g');
+            const formatter = new Intl.NumberFormat(this.locale, {...this.getOptions(), useGrouping: false});
+            return new RegExp(`[${formatter.format(1.1).replace(this._currency, '').trim().replace(this._numeral, '')}]`, 'g');
         },
         getGroupingExpression() {
             const formatter = new Intl.NumberFormat(this.locale, {useGrouping: true});
@@ -215,8 +215,9 @@ export default {
         },
         getCurrencyExpression() {
             if (this.currency) {
-                const formatter = new Intl.NumberFormat(this.locale, {style: 'currency', currency: this.currency, currencyDisplay: this.currencyDisplay});
-                return new RegExp(`[${formatter.format(1).replace(/\s/g, '').replace(this._numeral, '').replace(this._decimal, '').replace(this._group, '')}]`, 'g');
+                const formatter = new Intl.NumberFormat(this.locale, {style: 'currency', currency: this.currency, currencyDisplay: this.currencyDisplay,
+                    minimumFractionDigits: 0, maximumFractionDigits: 0});
+                return new RegExp(`[${formatter.format(1).replace(/\s/g, '').replace(this._numeral, '').replace(this._group, '')}]`, 'g');
             }
 
             return new RegExp(`[]`,'g');