diff --git a/osc/util/models.py b/osc/util/models.py
index d6deb3211..729fd77ec 100644
--- a/osc/util/models.py
+++ b/osc/util/models.py
@@ -528,7 +528,7 @@ def to_string(self, *, exclude_none: bool = False, sort_keys: bool = False, inde
         """
         import json
 
-        result = json.dumps(self.dict(exclude_none=exclude_none), sort_keys=sort_keys, indent=indent)
+        result = json.dumps(self.dict(exclude_none=exclude_none), sort_keys=sort_keys, indent=indent) + '\n'
         return result
 
     def do_snapshot(self):