diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4f4cb38e..9d7026fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.0.42 - 2023-08-30]
+
+### Fixed
+
+- Created `FsNode` from `UiActionFileInfo` now have the `file_id` with the NC instance ID as from the DAV requests.
+
 ## [0.0.41 - 2023-08-26]
 
 ### Added
diff --git a/nc_py_api/ex_app/ui/files.py b/nc_py_api/ex_app/ui/files.py
index d482800b..9b8c6ded 100644
--- a/nc_py_api/ex_app/ui/files.py
+++ b/nc_py_api/ex_app/ui/files.py
@@ -10,8 +10,6 @@
 from ..._session import NcSessionApp
 from ...files import FilePermissions, FsNode
 
-ENDPOINT_SUFFIX = "files/actions/menu"
-
 
 class UiActionFileInfo(BaseModel):
     """File Information Nextcloud sends to the External Application."""
@@ -40,18 +38,17 @@ class UiActionFileInfo(BaseModel):
     """If the object is shared, this is a display name of the share owner."""
     shareOwnerId: typing.Optional[str]
     """If the object is shared, this is the owner ID of the share."""
+    instanceId: typing.Optional[str]
+    """Nextcloud instance ID."""
 
     def to_fs_node(self) -> FsNode:
-        """Returns created ``FsNode`` from the file info given.
-
-        .. note:: :py:attr:`~nc_py_api.files.FsNode.file_id` in this case is ``without`` **instance_id**
-            and equal to :py:attr:`~nc_py_api.files.FsNodeInfo.fileid`.
-        """
+        """Returns usual :py:class:`~nc_py_api.files.FsNode` created from this class."""
         user_path = os.path.join(self.directory, self.name).rstrip("/")
         is_dir = bool(self.fileType.lower() == "dir")
         if is_dir:
             user_path += "/"
         full_path = os.path.join(f"files/{self.userId}", user_path.lstrip("/"))
+        file_id = str(self.fileId).rjust(8, "0")
 
         permissions = "S" if self.shareOwnerId else ""
         if self.permissions & FilePermissions.PERMISSION_SHARE:
@@ -71,7 +68,7 @@ def to_fs_node(self) -> FsNode:
             content_length=0 if is_dir else self.size,
             permissions=permissions,
             favorite=bool(self.favorite.lower() == "true"),
-            file_id=self.fileId,
+            file_id=file_id + self.instanceId if self.instanceId else file_id,
             fileid=self.fileId,
             last_modified=datetime.utcfromtimestamp(self.mtime).replace(tzinfo=timezone.utc),
         )
@@ -91,6 +88,8 @@ class UiFileActionHandlerInfo(BaseModel):
 class _UiFilesActionsAPI:
     """API for the drop-down menu in Nextcloud **Files app**."""
 
+    _ep_suffix: str = "files/actions/menu"
+
     def __init__(self, session: NcSessionApp):
         self._session = session
 
@@ -109,14 +108,14 @@ def register(self, name: str, display_name: str, callback_url: str, **kwargs) ->
                 "action_handler": callback_url,
             },
         }
-        self._session.ocs(method="POST", path=f"{self._session.ae_url}/{ENDPOINT_SUFFIX}", json=params)
+        self._session.ocs(method="POST", path=f"{self._session.ae_url}/{self._ep_suffix}", json=params)
 
     def unregister(self, name: str, not_fail=True) -> None:
         """Removes files dropdown menu element."""
         require_capabilities("app_ecosystem_v2", self._session.capabilities)
         params = {"fileActionMenuName": name}
         try:
-            self._session.ocs(method="DELETE", path=f"{self._session.ae_url}/{ENDPOINT_SUFFIX}", json=params)
+            self._session.ocs(method="DELETE", path=f"{self._session.ae_url}/{self._ep_suffix}", json=params)
         except NextcloudExceptionNotFound as e:
             if not not_fail:
                 raise e from None
diff --git a/tests/ui_files_test.py b/tests/ui_files_test.py
index 5b7e06ab..00c3059f 100644
--- a/tests/ui_files_test.py
+++ b/tests/ui_files_test.py
@@ -88,6 +88,8 @@ def ui_action_check(directory: str, fs_object: FsNode):
             permissions += FilePermissions.PERMISSION_DELETE
         if fs_object.is_shareable:
             permissions += FilePermissions.PERMISSION_SHARE
+        fileid_str = str(fs_object.info.fileid)
+        i = fs_object.file_id.find(fileid_str)
         file_info = ex_app.UiActionFileInfo(
             fileId=fs_object.info.fileid,
             name=fs_object.name,
@@ -102,6 +104,7 @@ def ui_action_check(directory: str, fs_object: FsNode):
             userId=fs_object.user,
             shareOwner="some_user" if fs_object.is_shared else None,
             shareOwnerId="some_user_id" if fs_object.is_shared else None,
+            instanceId=fs_object.file_id[i + len(fileid_str) :],
         )
         fs_node = file_info.to_fs_node()
         assert isinstance(fs_node, FsNode)
@@ -109,7 +112,7 @@ def ui_action_check(directory: str, fs_object: FsNode):
         assert fs_node.name == fs_object.name
         assert fs_node.user_path == fs_object.user_path
         assert fs_node.full_path == fs_object.full_path
-        assert fs_node.file_id == fs_object.info.fileid
+        assert fs_node.file_id == fs_object.file_id
         assert fs_node.is_dir == fs_object.is_dir
         # assert fs_node.mime == fs_object.mime
         assert fs_node.info.permissions == fs_object.info.permissions