diff --git a/tests/acceptance/features/webUISharingInternalUsers/shareWithUsers.feature b/tests/acceptance/features/webUISharingInternalUsers/shareWithUsers.feature
index 65c036facd97..b138ca0e61dc 100644
--- a/tests/acceptance/features/webUISharingInternalUsers/shareWithUsers.feature
+++ b/tests/acceptance/features/webUISharingInternalUsers/shareWithUsers.feature
@@ -328,3 +328,16 @@ Feature: Sharing files and folders with internal users
     And user "user1" has shared file "lorem.txt" with user "user2"
     When the user opens the share dialog for file "lorem.txt"
     Then the user should not be able to send the share notification by email using the webUI
+
+  @issue-35382
+  Scenario: user shares a file with another user with uppercase username
+    Given user "user1" has been created with default attributes
+    And these users have been created without skeleton files:
+      | username |
+      | SomeUser |
+    And user "user1" has logged in using the webUI
+    When the user shares file "lorem.txt" with user "SomeUser" using the webUI
+    And the user re-logs in as "SomeUser" using the webUI
+    And the user browses to the shared-with-you page
+    Then file "lorem.txt" should not be listed on the webUI
+#    Then file "lorem.txt" should be listed on the webUI