diff --git a/jams-server/src/main/java/net/jami/jams/server/core/TomcatLauncher.java b/jams-server/src/main/java/net/jami/jams/server/core/TomcatLauncher.java
index 19b08ea0de0869d2b5d30690e04de3ff2016e3ab..0cfcaa3ec690a23ba1ca758106c451c7ed541ffd 100644
--- a/jams-server/src/main/java/net/jami/jams/server/core/TomcatLauncher.java
+++ b/jams-server/src/main/java/net/jami/jams/server/core/TomcatLauncher.java
@@ -51,7 +51,7 @@ import static net.jami.jams.server.Server.certificateAuthority;
 @Slf4j
 public class TomcatLauncher {
 
-    private final Tomcat tomcat = new Tomcat();
+    private Tomcat tomcat = new Tomcat();
     private Connector connector;
     private StandardContext context;