diff --git a/main.js b/main.js
index 83d9c4c..60eed1e 100644
--- a/main.js
+++ b/main.js
@@ -1102,7 +1102,7 @@ class Proxmox extends utils.Adapter {
                         }
                     }
                 } catch (err) {
-                    this.log.warn(`Unable to get disk for node ${node.node}: ${err}`);
+                    this.log.warn(`Unable to get disk for node ${node.node}: ${JSON.stringify(err)}`);
                 }
             }
         }