diff --git a/projects/core/directives/dropdown/dropdown-selection.directive.ts b/projects/core/directives/dropdown/dropdown-selection.directive.ts
index 069618d3c875..a9ecc4e47894 100644
--- a/projects/core/directives/dropdown/dropdown-selection.directive.ts
+++ b/projects/core/directives/dropdown/dropdown-selection.directive.ts
@@ -56,7 +56,10 @@ export class TuiDropdownSelectionDirective
         this.selection$.pipe(
             map(() => this.getRange()),
             distinctUntilChanged(
-                (x, y) => x.startOffset === y.startOffset && x.endOffset === y.endOffset,
+                (x, y) =>
+                    x.startOffset === y.startOffset &&
+                    x.endOffset === y.endOffset &&
+                    x.commonAncestorContainer === y.commonAncestorContainer,
             ),
         ),
     ]).pipe(
diff --git a/projects/demo-playwright/tests/core/dropdown/dropdown.spec.ts b/projects/demo-playwright/tests/core/dropdown/dropdown.spec.ts
index 190d895e2242..e157c6d3c2f5 100644
--- a/projects/demo-playwright/tests/core/dropdown/dropdown.spec.ts
+++ b/projects/demo-playwright/tests/core/dropdown/dropdown.spec.ts
@@ -79,4 +79,18 @@ test.describe('Dropdown', () => {
         await page.locator('tui-dropdown').locator('tui-scrollbar .t-thumb').click();
         await expect(page).toHaveScreenshot('11-dropdown.png');
     });
+
+    test('Dropdown selection', async ({page}) => {
+        await tuiGoto(page, '/directives/dropdown-selection');
+
+        const textarea = new TuiDocumentationPagePO(page)
+            .getExample('#textarea')
+            .locator('textarea');
+
+        await textarea.clear();
+        await textarea.press('@');
+        await textarea.press('Backspace');
+
+        await expect(page.locator('tui-dropdown')).not.toBeVisible();
+    });
 });