diff --git a/orientjs-chat-example-async-await/index.js b/orientjs-chat-example-async-await/index.js
index 155be26..6fb909a 100644
--- a/orientjs-chat-example-async-await/index.js
+++ b/orientjs-chat-example-async-await/index.js
@@ -77,9 +77,10 @@ const listenForMessage = pool => {
             { params: msg }
           )
           .one();
-      } catch (ex) {
-        console.log(ex);
+      } catch (err) {
+        console.log(err);
       }
+      await session.close();
     });
   });
 };
@@ -95,7 +96,7 @@ const boostrap = ({ client, pool }) => {
         await session.close();
       });
       next();
-    } catch (ex) {
+    } catch (err) {
       res.status(500).send(err);
     }
   });