diff --git a/ruff_lsp/server.py b/ruff_lsp/server.py
index a046a99..4210776 100755
--- a/ruff_lsp/server.py
+++ b/ruff_lsp/server.py
@@ -1190,8 +1190,9 @@ async def apply_organize_imports(arguments: tuple[TextDocument]):
 async def apply_format(arguments: tuple[TextDocument]):
     uri = arguments[0]["uri"]
     document = Document.from_uri(uri)
+    settings = _get_settings_by_document(document.path)
 
-    result = await _run_format_on_document(document)
+    result = await _run_format_on_document(document, settings)
     if result is None:
         return None
 
@@ -1214,8 +1215,9 @@ async def format_document(params: DocumentFormattingParams) -> list[TextEdit] |
     # represented as a text document. The "Notebook: Format notebook" action calls
     # this request for every cell.
     document = Document.from_cell_or_text_uri(params.text_document.uri)
+    settings = _get_settings_by_document(document.path)
 
-    result = await _run_format_on_document(document)
+    result = await _run_format_on_document(document, settings)
     if result is None:
         return None
 
@@ -1820,10 +1822,10 @@ async def _run_check_on_document(
     )
 
 
-async def _run_format_on_document(document: Document) -> ExecutableResult | None:
+async def _run_format_on_document(
+    document: Document, settings: WorkspaceSettings
+) -> ExecutableResult | None:
     """Runs the Ruff `format` subcommand on the given document source."""
-    settings = _get_settings_by_document(document.path)
-
     if settings.get("ignoreStandardLibrary", True) and document.is_stdlib_file():
         log_warning(f"Skipping standard library file: {document.path}")
         return None
diff --git a/tests/test_format.py b/tests/test_format.py
index dd13cbe..09a94b9 100644
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -10,6 +10,7 @@
     VERSION_REQUIREMENT_FORMATTER,
     Document,
     _fixed_source_to_edits,
+    _get_settings_by_document,
     _run_format_on_document,
 )
 from tests.client import utils
@@ -30,6 +31,7 @@ async def test_format(tmp_path, ruff_version: Version):
 
     workspace = Workspace(str(tmp_path))
     document = Document.from_text_document(workspace.get_text_document(uri))
+    settings = _get_settings_by_document(document.path)
 
     handle_unsupported = (
         pytest.raises(RuntimeError, match=f"Ruff .* required, but found {ruff_version}")
@@ -38,7 +40,7 @@ async def test_format(tmp_path, ruff_version: Version):
     )
 
     with handle_unsupported:
-        result = await _run_format_on_document(document)
+        result = await _run_format_on_document(document, settings)
         assert result is not None
         assert result.exit_code == 0
         [edit] = _fixed_source_to_edits(
@@ -59,6 +61,7 @@ async def test_format_code_with_syntax_error(tmp_path, ruff_version: Version):
 
     workspace = Workspace(str(tmp_path))
     document = Document.from_text_document(workspace.get_text_document(uri))
+    settings = _get_settings_by_document(document.path)
 
     handle_unsupported = (
         pytest.raises(RuntimeError, match=f"Ruff .* required, but found {ruff_version}")
@@ -67,6 +70,6 @@ async def test_format_code_with_syntax_error(tmp_path, ruff_version: Version):
     )
 
     with handle_unsupported:
-        result = await _run_format_on_document(document)
+        result = await _run_format_on_document(document, settings)
         assert result is not None
         assert result.exit_code == 2