4 files changed, 12 insertions, 6 deletions
diff --git a/synapse/storage/__init__.py b/synapse/storage/__init__.py
index a33e2298f6..02b1f06854 100644
--- a/synapse/storage/__init__.py
+++ b/synapse/storage/__init__.py
@@ -44,7 +44,6 @@ from syutil.jsonutil import encode_canonical_json
 from synapse.crypto.event_signing import compute_event_reference_hash
 
 
-import json
 import logging
 import os
 
@@ -301,12 +300,16 @@ class DataStore(RoomMemberStore, RoomStore,
             or_replace=True,
         )
 
+        content = encode_canonical_json(
+            event.content
+        ).decode("UTF-8")
+
         vals = {
             "topological_ordering": event.depth,
             "event_id": event.event_id,
             "type": event.type,
             "room_id": event.room_id,
-            "content": json.dumps(event.get_dict()["content"]),
+            "content": content,
             "processed": True,
             "outlier": outlier,
             "depth": event.depth,
@@ -326,7 +329,10 @@ class DataStore(RoomMemberStore, RoomStore,
                 "prev_events",
             ]
         }
-        vals["unrecognized_keys"] = json.dumps(unrec)
+
+        vals["unrecognized_keys"] = encode_canonical_json(
+            unrec
+        ).decode("UTF-8")
 
         try:
             self._simple_insert_txn(
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py
index 29fc334f45..be9934c66f 100644
--- a/synapse/storage/_base.py
+++ b/synapse/storage/_base.py
@@ -24,7 +24,7 @@ from synapse.util.lrucache import LruCache
 from twisted.internet import defer
 
 import collections
-import json
+import simplejson as json
 import sys
 import time
 
diff --git a/synapse/storage/filtering.py b/synapse/storage/filtering.py
index e86eeced45..457a11fd02 100644
--- a/synapse/storage/filtering.py
+++ b/synapse/storage/filtering.py
@@ -17,7 +17,7 @@ from twisted.internet import defer
 
 from ._base import SQLBaseStore
 
-import json
+import simplejson as json
 
 
 class FilteringStore(SQLBaseStore):
diff --git a/synapse/storage/push_rule.py b/synapse/storage/push_rule.py
index 620de71398..ae46b39cc1 100644
--- a/synapse/storage/push_rule.py
+++ b/synapse/storage/push_rule.py
@@ -20,7 +20,7 @@ from twisted.internet import defer
 
 import logging
 import copy
-import json
+import simplejson as json
 
 logger = logging.getLogger(__name__)