diff --git a/data/logs_model/test/mock_elasticsearch.py b/data/logs_model/test/mock_elasticsearch.py
index 714899fcb..42645af6c 100644
--- a/data/logs_model/test/mock_elasticsearch.py
+++ b/data/logs_model/test/mock_elasticsearch.py
@@ -56,8 +56,7 @@ INDEX_REQUEST_2019_01 = [
       233,
     "datetime":
       "2019-01-01T03:30:00",
-    "metadata_json":
-      "{\"\\ud83d\\ude02\": \"\\ud83d\\ude02\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\", \"key\": \"value\", \"time\": 1520479800}",
+    "metadata_json": json.loads("{\"\\ud83d\\ude02\": \"\\ud83d\\ude02\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\", \"key\": \"value\", \"time\": 1520479800}"),
     "performer_id":
       1,
     "kind_id":
@@ -77,8 +76,7 @@ INDEX_REQUEST_2017_03 = [
       233,
     "datetime":
       "2017-03-08T03:30:00",
-    "metadata_json":
-      "{\"\\ud83d\\ude02\": \"\\ud83d\\ude02\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\", \"key\": \"value\", \"time\": 1520479800}",
+    "metadata_json": json.loads("{\"\\ud83d\\ude02\": \"\\ud83d\\ude02\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\\ud83d\\udc4c\", \"key\": \"value\", \"time\": 1520479800}"),
     "performer_id":
       1,
     "kind_id":
diff --git a/data/logs_model/test/test_elasticsearch.py b/data/logs_model/test/test_elasticsearch.py
index c442ca44e..f079e7a4c 100644
--- a/data/logs_model/test/test_elasticsearch.py
+++ b/data/logs_model/test/test_elasticsearch.py
@@ -143,7 +143,9 @@ def mock_elasticsearch():
   @urlmatch(netloc=FAKE_ES_HOST_PATTERN, path=r'/logentry_[0-9\-]*/doc')
   def index(url, req):
     index = url.path.split('/')[1]
-    return mock.index(index, json.loads(req.body))
+    body = json.loads(req.body)
+    body['metadata_json'] = json.loads(body['metadata_json'])
+    return mock.index(index, body)
 
   @urlmatch(netloc=FAKE_ES_HOST_PATTERN, path=r'/logentry_\*/doc/_count')
   def count(_, req):