diff --git a/src/kleinanzeigen_bot/utils.py b/src/kleinanzeigen_bot/utils.py
index 6dad437..2b64b6a 100644
--- a/src/kleinanzeigen_bot/utils.py
+++ b/src/kleinanzeigen_bot/utils.py
@@ -246,6 +246,10 @@ def save_dict(filepath:str, content:dict[str, Any]) -> None:
         else:
             yaml = YAML()
             yaml.indent(mapping = 2, sequence = 4, offset = 2)
+            yaml.representer.add_representer(str,  # use YAML | block style for multi-line strings
+                lambda dumper, data:
+                    dumper.represent_scalar('tag:yaml.org,2002:str', data, style = '|' if '\n' in data else None)
+            )
             yaml.allow_duplicate_keys = False
             yaml.explicit_start = False
             yaml.dump(content, file)