diff --git a/frontend/src/__tests__/cypress/cypress/pages/workbench.ts b/frontend/src/__tests__/cypress/cypress/pages/workbench.ts
index 44972d670d..bbb6ccd44a 100644
--- a/frontend/src/__tests__/cypress/cypress/pages/workbench.ts
+++ b/frontend/src/__tests__/cypress/cypress/pages/workbench.ts
@@ -202,6 +202,19 @@ class AttachExistingStorageModal extends Modal {
     cy.findByTestId('persistent-storage-typeahead').contains(name).click();
   }
 
+  verifyPSDropdownIsDisabled(): void {
+    cy.get('[data-testid="persistent-storage-group"] .pf-v6-c-menu-toggle')
+      .should('have.class', 'pf-m-disabled')
+      .and('have.attr', 'disabled');
+  }
+
+  verifyPSDropdownText(expectedText: string): void {
+    cy.get('[data-testid="persistent-storage-group"] .pf-v6-c-text-input-group__text-input').should(
+      'have.value',
+      expectedText,
+    );
+  }
+
   findStandardPathInput() {
     return cy.findByTestId('mount-path-folder-value');
   }
diff --git a/frontend/src/__tests__/cypress/cypress/tests/e2e/dataScienceProjects/workbenches/workbenches.cy.ts b/frontend/src/__tests__/cypress/cypress/tests/e2e/dataScienceProjects/workbenches/workbenches.cy.ts
index 3ddeed16b0..a03bd26abd 100644
--- a/frontend/src/__tests__/cypress/cypress/tests/e2e/dataScienceProjects/workbenches/workbenches.cy.ts
+++ b/frontend/src/__tests__/cypress/cypress/tests/e2e/dataScienceProjects/workbenches/workbenches.cy.ts
@@ -74,7 +74,8 @@ describe('Workbench and PVSs tests', () => {
     createSpawnerPage.getNameInput().fill(workbenchName);
     createSpawnerPage.findNotebookImage('code-server-notebook').click();
     createSpawnerPage.findAttachExistingStorageButton().click();
-    attachExistingStorageModal.selectExistingPersistentStorage(PVCDisplayName);
+    attachExistingStorageModal.verifyPSDropdownIsDisabled();
+    attachExistingStorageModal.verifyPSDropdownText(PVCDisplayName);
     attachExistingStorageModal.findStandardPathInput().fill(workbenchName);
     attachExistingStorageModal.findAttachButton().click();
     createSpawnerPage.findSubmitButton().click();