diff --git a/lib/extractKeys.js b/lib/extractKeys.js
index 76284cc..ed02d78 100644
--- a/lib/extractKeys.js
+++ b/lib/extractKeys.js
@@ -219,6 +219,7 @@ function extractArray(adapter, element, key, path, write, preferedArrayName, for
                 if (keyName.endsWith("Id")) {
                     if (arrayElement[keyName] && arrayElement[keyName].replace) {
                         arrayPath = arrayElement[keyName].replace(/\./g, "");
+                        arrayPath = arrayPath.replace(/;/g, "_");
                     } else {
                         arrayPath = arrayElement[keyName];
                     }
@@ -233,12 +234,14 @@ function extractArray(adapter, element, key, path, write, preferedArrayName, for
             if (arrayElement.id) {
                 if (arrayElement.id.replace) {
                     arrayPath = arrayElement.id.replace(/\./g, "");
+                    arrayPath = arrayPath.replace(/;/g, "_");
                 } else {
                     arrayPath = arrayElement.id;
                 }
             }
             if (arrayElement.name) {
                 arrayPath = arrayElement.name.replace(/\./g, "");
+                arrayPath = arrayPath.replace(/;/g, "_");
             }
             if (arrayElement.start_date_time) {
                 arrayPath = arrayElement.start_date_time.replace(/\./g, "");
diff --git a/main.js b/main.js
index a6cd5a2..7aa07c7 100644
--- a/main.js
+++ b/main.js
@@ -305,7 +305,7 @@ class Viessmannapi extends utils.Adapter {
                             return role.includes("type:gateway") || role.includes("type:virtual");
                         })
                     ) {
-                        this.log.debug("ignore " + device.device.deviceType);
+                        this.log.debug("ignore " + device.deviceType);
                         continue;
                     }
                     await this.requestClient({