1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py
index b72bb0ff02..70fe00ce0b 100644
--- a/synapse/util/caches/stream_change_cache.py
+++ b/synapse/util/caches/stream_change_cache.py
@@ -50,7 +50,7 @@ class StreamChangeCache(object):
     def has_entity_changed(self, entity, stream_pos):
         """Returns True if the entity may have been updated since stream_pos
         """
-        assert type(stream_pos) is int
+        assert type(stream_pos) is int or type(stream_pos) is long
 
         if stream_pos < self._earliest_known_stream_pos:
             self.metrics.inc_misses()