diff --git a/charts/broker-2-http/values.yaml b/charts/broker-2-http/values.yaml
index 7951903..38f8329 100644
--- a/charts/broker-2-http/values.yaml
+++ b/charts/broker-2-http/values.yaml
@@ -159,7 +159,7 @@ serviceAccount:
 ### application stuff
 
 app:
-  logLevel: "info"
+  log_level: "info"
   topic_prefix: "" # http-2-broker only, i.e. "organization.facility.system", you should consciously set this value
   username: "" # needed credential for clients calling HTTP endpoints other than /healthcheck
   password: "" # needed credential for clients calling HTTP endpoints other than /healthcheck
diff --git a/charts/http-2-broker/values.yaml b/charts/http-2-broker/values.yaml
index 207941a..b80e63d 100644
--- a/charts/http-2-broker/values.yaml
+++ b/charts/http-2-broker/values.yaml
@@ -127,7 +127,7 @@ serviceAccount:
 ### application stuff
 
 app:
-  logLevel: "info"
+  log_level: "info"
   other_proxy:
     url: "" # this should be the complete URL
     username: "" # needed credential for clients calling HTTP endpoints other than /healthcheck
diff --git a/http-2-broker/src/main.rs b/http-2-broker/src/main.rs
index ea26705..c732c6c 100644
--- a/http-2-broker/src/main.rs
+++ b/http-2-broker/src/main.rs
@@ -157,6 +157,7 @@ pub async fn main() {
         if exchange_result.is_err() {
             let err = exchange_result.unwrap_err();
             tracing::error!("could not create exchange: {}", err);
+            connection.close().await.expect("Could not close connection after failed exchange creation");
             std::process::exit(1);
         }
     }