diff --git a/CHANGES/8558.bugfix b/CHANGES/8558.bugfix
new file mode 100644
index 000000000..052a685dd
--- /dev/null
+++ b/CHANGES/8558.bugfix
@@ -0,0 +1,2 @@
+Fixed the relative paths for translation files, which were causing sync failures and missing translation files.
+(Backported from https://pulp.plan.io/issues/8410)
diff --git a/pulp_deb/app/tasks/synchronizing.py b/pulp_deb/app/tasks/synchronizing.py
index 754f61427..e97856226 100644
--- a/pulp_deb/app/tasks/synchronizing.py
+++ b/pulp_deb/app/tasks/synchronizing.py
@@ -668,7 +668,7 @@ async def _handle_translation_files(self, release_file, release_component, file_
         paths = [path for path in file_references.keys() if path.startswith(translation_dir)]
         translations = {}
         for path in paths:
-            relative_path = os.path.join(os.path.dirname(release_file.relative_path))
+            relative_path = os.path.join(os.path.dirname(release_file.relative_path), path)
             d_artifact = self._to_d_artifact(relative_path, file_references[path])
             key, ext = os.path.splitext(relative_path)
             if key not in translations: