1 files changed, 2 insertions, 3 deletions
diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py
index 8467284758..cbadf3c88e 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -14,10 +14,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import logging
-import simplejson
 import sys
 
-from canonicaljson import encode_canonical_json
+from canonicaljson import encode_canonical_json, json
 import six
 from six import string_types, itervalues, iteritems
 from twisted.internet import defer
@@ -797,7 +796,7 @@ class EventCreationHandler(object):
         # Ensure that we can round trip before trying to persist in db
         try:
             dump = frozendict_json_encoder.encode(event.content)
-            simplejson.loads(dump)
+            json.loads(dump)
         except Exception:
             logger.exception("Failed to encode content: %r", event.content)
             raise