diff --git a/src/poetry/packages/locker.py b/src/poetry/packages/locker.py
index 7fa5fd92958..8a6c62e75f7 100644
--- a/src/poetry/packages/locker.py
+++ b/src/poetry/packages/locker.py
@@ -23,10 +23,8 @@
 from tomlkit import comment
 from tomlkit import document
 from tomlkit import inline_table
-from tomlkit import item
 from tomlkit import table
 from tomlkit.exceptions import TOMLKitError
-from tomlkit.items import Array
 
 
 if TYPE_CHECKING:
@@ -228,24 +226,19 @@ def locked_repository(self) -> LockfileRepository:
         return repository
 
     def set_lock_data(self, root: Package, packages: list[Package]) -> bool:
-        files: dict[str, Any] = table()
         package_specs = self._lock_packages(packages)
         # Retrieving hashes
         for package in package_specs:
-            if package["name"] not in files:
-                files[package["name"]] = []
+            files = array()
 
             for f in package["files"]:
                 file_metadata = inline_table()
                 for k, v in sorted(f.items()):
                     file_metadata[k] = v
 
-                files[package["name"]].append(file_metadata)
+                files.append(file_metadata)
 
-            if files[package["name"]]:
-                package_files = item(files[package["name"]])
-                assert isinstance(package_files, Array)
-                files[package["name"]] = package_files.multiline(True)
+            package["files"] = files.multiline(True)
 
         lock = document()
         lock.add(comment(GENERATED_COMMENT))
diff --git a/tests/packages/test_locker.py b/tests/packages/test_locker.py
index 7fb2772e6ba..9da6c422f7c 100644
--- a/tests/packages/test_locker.py
+++ b/tests/packages/test_locker.py
@@ -104,14 +104,10 @@ def test_lock_file_data_is_ordered(locker: Locker, root: ProjectPackage):
 category = "main"
 optional = false
 python-versions = "*"
-
-[[package.files]]
-file = "bar"
-hash = "123"
-
-[[package.files]]
-file = "foo"
-hash = "456"
+files = [
+    {{file = "bar", hash = "123"}},
+    {{file = "foo", hash = "456"}},
+]
 
 [package.dependencies]
 B = "^1.0"
@@ -123,10 +119,9 @@ def test_lock_file_data_is_ordered(locker: Locker, root: ProjectPackage):
 category = "main"
 optional = false
 python-versions = "*"
-
-[[package.files]]
-file = "baz"
-hash = "345"
+files = [
+    {{file = "baz", hash = "345"}},
+]
 
 [[package]]
 name = "B"