diff --git a/packages/primevue/src/inputnumber/InputNumber.vue b/packages/primevue/src/inputnumber/InputNumber.vue
index af0026a6c..9d7a4b30e 100755
--- a/packages/primevue/src/inputnumber/InputNumber.vue
+++ b/packages/primevue/src/inputnumber/InputNumber.vue
@@ -634,12 +634,12 @@ export default {
             let newValueStr;
 
             if (sign.isMinusSign) {
-                const value = this.parseValue(inputValue);
+                const isNewMinusSign = minusCharIndex === -1;
 
-                if (selectionStart === 0 || value === 0) {
+                if (selectionStart === 0 || selectionStart === currencyCharIndex + 1) {
                     newValueStr = inputValue;
 
-                    if (minusCharIndex === -1 || selectionEnd !== 0) {
+                    if (isNewMinusSign || selectionEnd !== 0) {
                         newValueStr = this.insertText(inputValue, text, 0, selectionEnd);
                     }
 
@@ -784,16 +784,8 @@ export default {
 
             if (valueStr != null) {
                 newValue = this.parseValue(valueStr);
-
-                if (!newValue && !this.allowEmpty) {
-                    newValue = 0;
-                    this.updateInput(newValue, insertedValueStr, operation, valueStr);
-                    const cursorPos = this.prefix ? this.prefix.length + 1 : 1;
-
-                    this.$refs.input.$el.setSelectionRange(cursorPos, cursorPos);
-                } else {
-                    this.updateInput(newValue, insertedValueStr, operation, valueStr);
-                }
+                newValue = !newValue && !this.allowEmpty ? this.min || 0 : newValue;
+                this.updateInput(newValue, insertedValueStr, operation, valueStr);
 
                 this.handleOnInput(event, currentValue, newValue);
             }
@@ -874,7 +866,16 @@ export default {
                     this.$refs.input.$el.setSelectionRange(selectionEnd, selectionEnd);
                 } else if (newLength === currentLength) {
                     if (operation === 'insert' || operation === 'delete-back-single') {
-                        this.$refs.input.$el.setSelectionRange(selectionEnd, selectionEnd);
+                        let newSelectionEnd = selectionEnd;
+
+                        if (insertedValueStr === '0') {
+                            newSelectionEnd = selectionEnd + 1;
+                        } else {
+                            console.log(Number(this.isDecimalSign(value) || this.isDecimalSign(insertedValueStr)));
+                            newSelectionEnd = newSelectionEnd + Number(this.isDecimalSign(value) || this.isDecimalSign(insertedValueStr));
+                        }
+
+                        this.$refs.input.$el.setSelectionRange(newSelectionEnd, newSelectionEnd);
                     } else if (operation === 'delete-single') {
                         this.$refs.input.$el.setSelectionRange(selectionEnd - 1, selectionEnd - 1);
                     } else if (operation === 'delete-range' || operation === 'spin') {