diff --git a/src/vorta/borg/mount.py b/src/vorta/borg/mount.py
index d07a206cc..5d00aa687 100644
--- a/src/vorta/borg/mount.py
+++ b/src/vorta/borg/mount.py
@@ -1,5 +1,6 @@
 import os
 from .borg_thread import BorgThread
+from vorta.models import SettingsModel
 
 
 class BorgMountThread(BorgThread):
@@ -15,7 +16,15 @@ def prepare(cls, profile):
         else:
             ret['ok'] = False  # Set back to false, so we can do our own checks here.
 
-        cmd = ['borg', '--log-json', 'mount', '-o', f"umask=0277,uid={os.getuid()}", f"{profile.repo.url}"]
+        cmd = ['borg', '--log-json', 'mount']
+
+        # Try to override existing permissions when mounting an archive. May help to read
+        # files that come from a different system, like a restrictive NAS.
+        override_mount_permissions = SettingsModel.get(key='override_mount_permissions').value
+        if override_mount_permissions:
+            cmd += ['-o', f"umask=0277,uid={os.getuid()}"]
+
+        cmd += [f"{profile.repo.url}"]
 
         ret['ok'] = True
         ret['cmd'] = cmd
diff --git a/src/vorta/models.py b/src/vorta/models.py
index 1b5f81851..9ad1db73c 100644
--- a/src/vorta/models.py
+++ b/src/vorta/models.py
@@ -225,6 +225,11 @@ def get_misc_settings():
             'label': trans_late('settings',
                                 'Get statistics of file/folder when added')
         },
+        {
+            'key': 'override_mount_permissions', 'value': False, 'type': 'checkbox',
+            'label': trans_late('settings',
+                                'Try to replace existing permissions when mounting an archive.')
+        },
         {
             'key': 'previous_profile_id', 'str_value': '1', 'type': 'internal',
             'label': 'Previously selected profile'
@@ -237,7 +242,6 @@ def get_misc_settings():
             'key': 'previous_window_height', 'str_value': '600', 'type': 'internal',
             'label': 'Previous window height'
         },
-
     ]
     if sys.platform == 'darwin':
         settings += [
diff --git a/tests/test_repo.py b/tests/test_repo.py
index 3d34a74bc..b48e9c85a 100644
--- a/tests/test_repo.py
+++ b/tests/test_repo.py
@@ -91,12 +91,9 @@ def test_repo_add_success(qapp, qtbot, mocker, borg_json_output):
     popen_result = mocker.MagicMock(stdout=stdout, stderr=stderr, returncode=0)
     mocker.patch.object(vorta.borg.borg_thread, 'Popen', return_value=popen_result)
 
-    qtbot.mouseClick(add_repo_window.saveButton, QtCore.Qt.LeftButton)
-
-    with qtbot.waitSignal(add_repo_window.thread.result, **pytest._wait_defaults) as _:
-        pass
+    add_repo_window.run()
+    qtbot.waitUntil(lambda: EventLogModel.select().count() == 2, **pytest._wait_defaults)
 
-    assert EventLogModel.select().count() == 2
     assert RepoModel.get(id=2).url == test_repo_url
 
     keyring = VortaKeyring.get_keyring()