diff --git a/src/bp/core/server.ts b/src/bp/core/server.ts
index 01cdd123475..63fb459e45f 100644
--- a/src/bp/core/server.ts
+++ b/src/bp/core/server.ts
@@ -142,7 +142,7 @@ export default class HTTPServer {
 
     this.app.use(monitoringMiddleware)
 
-    if (config.session.enabled) {
+    if (config.session && config.session.enabled) {
       this.app.use(
         session({
           secret: process.APP_SECRET,
diff --git a/src/bp/vanilla/botpress.config.schema.json b/src/bp/vanilla/botpress.config.schema.json
index f4f93ed99b1..f3a256e907a 100644
--- a/src/bp/vanilla/botpress.config.schema.json
+++ b/src/bp/vanilla/botpress.config.schema.json
@@ -29,6 +29,17 @@
               "type": "string"
             }
           }
+        },
+        "session": {
+          "type": "object",
+          "properties": {
+            "enabled": {
+              "type": "boolean"
+            },
+            "maxAge": {
+              "type": "string"
+            }
+          }
         }
       },
       "required": ["backlog", "bodyLimit", "cors", "host", "port"]