diff --git a/changelog.d/20240318_195644_mann.compi_labels_constructor_issue_5729.md b/changelog.d/20240318_195644_mann.compi_labels_constructor_issue_5729.md
new file mode 100644
index 000000000000..bc854e55442f
--- /dev/null
+++ b/changelog.d/20240318_195644_mann.compi_labels_constructor_issue_5729.md
@@ -0,0 +1,4 @@
+### Fixed
+
+- Label constructor validation of empty label names
+  (<https://github.com/opencv/cvat/pull/7627>)
diff --git a/cvat-ui/src/components/labels-editor/label-form.tsx b/cvat-ui/src/components/labels-editor/label-form.tsx
index 600dc11af72b..45e9f66bc92d 100644
--- a/cvat-ui/src/components/labels-editor/label-form.tsx
+++ b/cvat-ui/src/components/labels-editor/label-form.tsx
@@ -493,7 +493,7 @@ export default class LabelForm extends React.Component<Props> {
                 name='name'
                 rules={[
                     {
-                        required: !!label,
+                        required: true,
                         message: 'Please specify a name',
                     },
                     {
@@ -503,7 +503,7 @@ export default class LabelForm extends React.Component<Props> {
                     {
                         validator: (_rule: any, labelName: string) => {
                             if (labelNames.includes(labelName) && label?.name !== labelName) {
-                                return Promise.reject(new Error('Label name must be unique for the task'));
+                                return Promise.reject(new Error('Label name must be unique'));
                             }
                             return Promise.resolve();
                         },
diff --git a/tests/cypress/e2e/actions_tasks2/case_118_create_label_with_empty_label_name.js b/tests/cypress/e2e/actions_tasks2/case_118_create_label_with_empty_label_name.js
new file mode 100644
index 000000000000..9c17b0434605
--- /dev/null
+++ b/tests/cypress/e2e/actions_tasks2/case_118_create_label_with_empty_label_name.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2024 CVAT.ai Corporation
+//
+// SPDX-License-Identifier: MIT
+
+/// <reference types="cypress" />
+
+import { taskName } from '../../support/const';
+
+context('Creating a label with an empty name.', () => {
+    const caseId = '118';
+
+    before(() => {
+        cy.openTask(taskName);
+    });
+
+    describe(`Testing case "${caseId}"`, () => {
+        it('Should display an error message if label name is empty', () => {
+            // Attempt to create a label with an empty name
+            cy.get('.cvat-constructor-viewer-new-item').click();
+            cy.get('button[type="submit"]').click();
+
+            cy.contains('[role="alert"]', 'Please specify a name')
+                .should('exist')
+                .and('be.visible');
+        });
+    });
+});
diff --git a/tests/cypress/e2e/actions_tasks2/case_42_change_label_name_via_label_constructor.js b/tests/cypress/e2e/actions_tasks2/case_42_change_label_name_via_label_constructor.js
index 731cf0fdc59c..88d355af28a8 100644
--- a/tests/cypress/e2e/actions_tasks2/case_42_change_label_name_via_label_constructor.js
+++ b/tests/cypress/e2e/actions_tasks2/case_42_change_label_name_via_label_constructor.js
@@ -21,8 +21,8 @@ context('Changing a label name via label constructor.', () => {
         it('Set empty label name. Press "Continue" button. Label name is not created. Label constructor is closed.', () => {
             cy.get('.cvat-constructor-viewer-new-item').click(); // Open label constructor
             cy.contains('[type="submit"]', 'Continue').click();
-            cy.get('.cvat-label-constructor-creator').should('not.exist');
-            cy.get('.cvat-constructor-viewer').should('be.visible');
+            cy.contains('[role="alert"]', 'Please specify a name').should('exist').and('be.visible');
+            cy.contains('[type="button"]', 'Cancel').click(); // Close label constructor
         });
 
         it('Change label name to any other correct value. Press "Continue" button. The label created.', () => {
diff --git a/tests/cypress/e2e/actions_tasks2/case_43_create_label_with_existing_label_name.js b/tests/cypress/e2e/actions_tasks2/case_43_create_label_with_existing_label_name.js
index 2cfb60a7aa0e..7454bcb96cc2 100644
--- a/tests/cypress/e2e/actions_tasks2/case_43_create_label_with_existing_label_name.js
+++ b/tests/cypress/e2e/actions_tasks2/case_43_create_label_with_existing_label_name.js
@@ -24,7 +24,7 @@ context('Creating a label with existing label name.', () => {
                     // Try to create a label with existing label name
                     cy.get('.cvat-constructor-viewer-new-item').click();
                     cy.get('[placeholder="Label name"]').type(firstLabelName);
-                    cy.contains('[role="alert"]', 'Label name must be unique for the task') // Checking alert visibility
+                    cy.contains('[role="alert"]', 'Label name must be unique') // Checking alert visibility
                         .should('exist')
                         .and('be.visible');
                 });
diff --git a/tests/cypress/support/commands.js b/tests/cypress/support/commands.js
index 385a23c7012e..b5a2b01d9339 100644
--- a/tests/cypress/support/commands.js
+++ b/tests/cypress/support/commands.js
@@ -1022,8 +1022,7 @@ Cypress.Commands.add('addNewSkeletonLabel', ({ name, points }) => {
 
         cy.contains('Continue').scrollIntoView();
         cy.contains('Continue').click();
-        cy.contains('Continue').scrollIntoView();
-        cy.contains('Continue').click();
+        cy.contains('Cancel').click();
     });
 });