diff --git a/bookwyrm/settings.py b/bookwyrm/settings.py
index 5967b010b..1a45c4c6d 100644
--- a/bookwyrm/settings.py
+++ b/bookwyrm/settings.py
@@ -209,7 +209,7 @@ REDIS_ACTIVITY_PASSWORD = env("REDIS_ACTIVITY_PASSWORD", None)
 REDIS_ACTIVITY_DB_INDEX = env("REDIS_ACTIVITY_DB_INDEX", 0)
 REDIS_ACTIVITY_URL = env(
     "REDIS_ACTIVITY_URL",
-    f"redis://:{REDIS_ACTIVITY_PASSWORD}@{REDIS_ACTIVITY_HOST}:{REDIS_ACTIVITY_PORT}/{REDIS_ACTIVITY_DB_INDEX}"
+    f"redis://:{REDIS_ACTIVITY_PASSWORD}@{REDIS_ACTIVITY_HOST}:{REDIS_ACTIVITY_PORT}/{REDIS_ACTIVITY_DB_INDEX}",
 )
 MAX_STREAM_LENGTH = int(env("MAX_STREAM_LENGTH", 200))
 
diff --git a/celerywyrm/settings.py b/celerywyrm/settings.py
index 146699f53..7519ea6e3 100644
--- a/celerywyrm/settings.py
+++ b/celerywyrm/settings.py
@@ -10,7 +10,7 @@ REDIS_BROKER_PORT = env("REDIS_BROKER_PORT", 6379)
 REDIS_BROKER_DB_INDEX = env("REDIS_BROKER_DB_INDEX", 0)
 REDIS_BROKER_URL = env(
     "REDIS_BROKER_URL",
-    f"redis://:{REDIS_BROKER_PASSWORD}@{REDIS_BROKER_HOST}:{REDIS_BROKER_PORT}/{REDIS_BROKER_DB_INDEX}"
+    f"redis://:{REDIS_BROKER_PASSWORD}@{REDIS_BROKER_HOST}:{REDIS_BROKER_PORT}/{REDIS_BROKER_DB_INDEX}",
 )
 
 CELERY_BROKER_URL = REDIS_BROKER_URL.replace("unix:", "redis+socket:")