diff --git a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBApplication.java b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBApplication.java
index cf81026252..1d5bf6df54 100644
--- a/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBApplication.java
+++ b/server/bundles/io.cloudbeaver.server/src/io/cloudbeaver/server/CBApplication.java
@@ -597,7 +597,7 @@ protected void parseConfiguration(Map<String, Object> configProps) throws DBExce
                 enableSecurityManager);
             //SM config
             gson.fromJson(
-                gson.toJsonTree(JSONUtils.getObject(serverConfig, CBConstants.PARAM_SM_CONFIGURATION)),
+                gson.toJson(JSONUtils.getObject(serverConfig, CBConstants.PARAM_SM_CONFIGURATION)),
                 SMControllerConfiguration.class
             );
             // App config