1 files changed, 1 insertions, 1 deletions
diff --git a/tools/mock-meta.py b/tools/mock-meta.py
index 019a24f2..d4677af6 100755
--- a/tools/mock-meta.py
+++ b/tools/mock-meta.py
@@ -181,7 +181,7 @@ class MetaDataHandler(object):
                 else:
                     return "%s" % (PLACEMENT_CAPABILITIES.get(pentry, ''))
         else:
-            return ''
+            return '{}'
 
 class UserDataHandler(object):