diff --git a/src/Content/ContentManager.py b/src/Content/ContentManager.py
index f9eca61b..51717fee 100644
--- a/src/Content/ContentManager.py
+++ b/src/Content/ContentManager.py
@@ -151,6 +151,7 @@ class ContentManager(object):
                 deleted, renamed = self.getFileChanges(old_files, new_files)
 
                 for relative_path_old, relative_path_new in renamed.items():
+                    self.log.debug("Renaming: %s -> %s" % (relative_path_old, relative_path_new))
                     if relative_path_new in new_content.get("files_optional", {}):
                         self.optionalRenamed(content_inner_dir + relative_path_old, content_inner_dir + relative_path_new)
                     if self.site.storage.isFile(relative_path_old):