diff options
Diffstat (limited to 'synapse/util/caches')
| -rw-r--r-- | synapse/util/caches/deferred_cache.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/util/caches/deferred_cache.py b/synapse/util/caches/deferred_cache.py index 601305487c..1adc92eb90 100644 --- a/synapse/util/caches/deferred_cache.py +++ b/synapse/util/caches/deferred_cache.py @@ -105,7 +105,7 @@ class DeferredCache(Generic[KT, VT]): keylen=keylen, cache_name=name, cache_type=cache_type, - size_callback=(lambda d: len(d)) if iterable else None, + size_callback=(lambda d: len(d) or 1) if iterable else None, metrics_collection_callback=metrics_cb, apply_cache_factor_from_config=apply_cache_factor_from_config, ) # type: LruCache[KT, VT] |