diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7bbd008..ce2bc9d8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# 17.1.1(2024-07-05)
+
+### Fix
+
+-   Fix ([#1383](https://github.com/JsDaddy/ngx-mask/issues/1383))
+
+
 # 17.1.0(2024-07-05)
 
 ### Fix
diff --git a/package.json b/package.json
index 49012d0b..5713bfee 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "ngx-mask",
-    "version": "17.1.0",
+    "version": "17.1.1",
     "description": "Awesome ngx mask",
     "license": "MIT",
     "engines": {
diff --git a/projects/ngx-mask-lib/package.json b/projects/ngx-mask-lib/package.json
index 4c03ed6b..0b7b1605 100644
--- a/projects/ngx-mask-lib/package.json
+++ b/projects/ngx-mask-lib/package.json
@@ -1,6 +1,6 @@
 {
     "name": "ngx-mask",
-    "version": "17.1.0",
+    "version": "17.1.1",
     "description": "awesome ngx mask",
     "keywords": [
         "ng2-mask",
diff --git a/projects/ngx-mask-lib/src/lib/ngx-mask-applier.service.ts b/projects/ngx-mask-lib/src/lib/ngx-mask-applier.service.ts
index 10b4b628..c55babf7 100644
--- a/projects/ngx-mask-lib/src/lib/ngx-mask-applier.service.ts
+++ b/projects/ngx-mask-lib/src/lib/ngx-mask-applier.service.ts
@@ -504,16 +504,14 @@ export class NgxMaskApplierService {
                             (!maskStartWithMonth &&
                                 (Number(inputValueSliceCursorPlusTwo) > daysCount ||
                                     Number(inputValueSliceMinusOnePlusOne) > daysCount ||
-                                    (this.specialCharacters.includes(inputValueCursorPlusOne) &&
-                                        !backspaced))) ||
+                                    this.specialCharacters.includes(inputValueCursorPlusOne))) ||
                             (startWithMonthInput
                                 ? Number(inputValueSliceMinusOnePlusOne) > daysCount ||
                                   (!this.specialCharacters.includes(inputValueCursor) &&
                                       this.specialCharacters.includes(inputValueCursorPlusTwo)) ||
                                   this.specialCharacters.includes(inputValueCursor)
                                 : Number(inputValueSliceCursorPlusTwo) > daysCount ||
-                                  (this.specialCharacters.includes(inputValueCursorPlusOne) &&
-                                      !backspaced))
+                                  this.specialCharacters.includes(inputValueCursorPlusOne))
                         ) {
                             // eslint-disable-next-line no-param-reassign
                             position = !this.leadZeroDateTime ? position + 1 : position;
@@ -556,8 +554,7 @@ export class NgxMaskApplierService {
                             ) &&
                             this.specialCharacters.includes(inputValueCursorMinusOne) &&
                             (Number(inputValueSliceCursorPlusTwo) > monthsCount ||
-                                (this.specialCharacters.includes(inputValueCursorPlusOne) &&
-                                    !backspaced));
+                                this.specialCharacters.includes(inputValueCursorPlusOne));
                         // cursor === 5 && without days
                         const day2monthInputDot: boolean =
                             (Number(inputValueSliceCursorPlusTwo) > monthsCount && cursor === 5) ||
diff --git a/projects/ngx-mask-lib/src/test/delete.spec.ts b/projects/ngx-mask-lib/src/test/delete.spec.ts
index f959a385..53dccc64 100644
--- a/projects/ngx-mask-lib/src/test/delete.spec.ts
+++ b/projects/ngx-mask-lib/src/test/delete.spec.ts
@@ -162,7 +162,7 @@ describe('Directive: Mask (Delete)', () => {
             key: 'Backspace',
             keyCode: 8,
             target: inputTarget,
-            // eslint-disable-next-line @typescript-eslint/no-empty-function
+
             preventDefault: () => {},
         });
         debugElement.triggerEventHandler('input', { target: inputTarget });
@@ -185,7 +185,7 @@ describe('Directive: Mask (Delete)', () => {
             key: 'Backspace',
             keyCode: 8,
             target: inputTarget,
-            // eslint-disable-next-line @typescript-eslint/no-empty-function
+
             preventDefault: () => {},
         });
         debugElement.triggerEventHandler('input', { target: inputTarget });
@@ -208,7 +208,7 @@ describe('Directive: Mask (Delete)', () => {
             key: 'Backspace',
             keyCode: 8,
             target: inputTarget,
-            // eslint-disable-next-line @typescript-eslint/no-empty-function
+
             preventDefault: () => {},
         });
         debugElement.triggerEventHandler('input', { target: inputTarget });
@@ -231,10 +231,79 @@ describe('Directive: Mask (Delete)', () => {
             key: 'Backspace',
             keyCode: 8,
             target: inputTarget,
-            // eslint-disable-next-line @typescript-eslint/no-empty-function
+
             preventDefault: () => {},
         });
         debugElement.triggerEventHandler('input', { target: inputTarget });
         expect(inputTarget.selectionStart).toEqual(3);
     });
+
+    it('date mask should show keep right value d0/M0/0000', () => {
+        component.mask = 'd0/M0/0000';
+        const inputElement = fixture.nativeElement.querySelector('input');
+
+        inputElement.value = '4/4/4444';
+        inputElement.dispatchEvent(new Event('input'));
+        fixture.detectChanges();
+
+        inputElement.setSelectionRange(8, 8);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4/4/444';
+        inputElement.setSelectionRange(7, 7);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4/4/44';
+        inputElement.setSelectionRange(6, 6);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4/4/4';
+        inputElement.dispatchEvent(new Event('input'));
+        fixture.detectChanges();
+
+        expect(inputElement.value).toBe('4/4/4');
+    });
+
+    it('date mask should show keep right value d0:M0:0000', () => {
+        component.mask = 'd0:M0:0000';
+        const inputElement = fixture.nativeElement.querySelector('input');
+
+        inputElement.value = '4:4:4444';
+        inputElement.dispatchEvent(new Event('input'));
+        fixture.detectChanges();
+
+        inputElement.setSelectionRange(8, 8);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4:4:444';
+        inputElement.setSelectionRange(7, 7);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4:4:44';
+        inputElement.setSelectionRange(6, 6);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4:4:4';
+        inputElement.dispatchEvent(new Event('input'));
+        fixture.detectChanges();
+
+        expect(inputElement.value).toBe('4:4:4');
+    });
+
+    it('date mask should show keep right value d0-M0-0000', () => {
+        component.mask = 'd0-M0-0000';
+        const inputElement = fixture.nativeElement.querySelector('input');
+
+        inputElement.value = '4-4-4444';
+        inputElement.dispatchEvent(new Event('input'));
+        fixture.detectChanges();
+
+        inputElement.setSelectionRange(8, 8);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4-4-444';
+        inputElement.setSelectionRange(7, 7);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4-4-44';
+        inputElement.setSelectionRange(6, 6);
+        inputElement.dispatchEvent(new KeyboardEvent('keydown', { key: 'Backspace' }));
+        inputElement.value = '4-4-4';
+        inputElement.dispatchEvent(new Event('input'));
+        fixture.detectChanges();
+
+        expect(inputElement.value).toBe('4-4-4');
+    });
 });