diff --git a/main.js b/main.js
index 7621b05..98732ef 100644
--- a/main.js
+++ b/main.js
@@ -1251,7 +1251,7 @@ class Fritzdect extends utils.Adapter {
 					this.log.error('statuscode not in errorHandlerApi of fritzdect');
 				}
 			}
-			this.log.error('API  err  => ' + error.error);
+			this.log.error('API  err  => ' + JSON.stringify(error.error));
 		} catch (e) {
 			this.log.error('catched error in function errorHandlerApi() ' + e);
 		}