diff --git a/src/caosdb/connection/connection.py b/src/caosdb/connection/connection.py
index 3e42c0ef2110278b76ea49bc3b28068db25d12fd..1a40f4eb48c71a8fc632e88b310d9f5ce50cf209 100644
--- a/src/caosdb/connection/connection.py
+++ b/src/caosdb/connection/connection.py
@@ -337,7 +337,7 @@ def configure_connection(**kwargs):
     global_conf = {}
     conf = get_config()
     # Convert config to dict, with preserving types
-    int_opts =  ["timeout"]
+    int_opts = ["timeout"]
     bool_opts = ["ssl_insecure"]
     if conf.has_section("Connection"):
         global_conf = dict(conf.items("Connection"))