diff --git a/bundles/org.openhab.binding.digitalstrom/src/main/java/org/openhab/binding/digitalstrom/internal/lib/structure/devices/impl/DeviceImpl.java b/bundles/org.openhab.binding.digitalstrom/src/main/java/org/openhab/binding/digitalstrom/internal/lib/structure/devices/impl/DeviceImpl.java
index 5d7f937680807..ccec7c0a566b9 100644
--- a/bundles/org.openhab.binding.digitalstrom/src/main/java/org/openhab/binding/digitalstrom/internal/lib/structure/devices/impl/DeviceImpl.java
+++ b/bundles/org.openhab.binding.digitalstrom/src/main/java/org/openhab/binding/digitalstrom/internal/lib/structure/devices/impl/DeviceImpl.java
@@ -278,9 +278,7 @@ public List<Short> getGroups() {
      */
     private boolean addGroupToList(Short groupID) {
         ApplicationGroup group = ApplicationGroup.getGroup(groupID);
-        if (ApplicationGroup.UNDEFINED.equals(group)) {
-            logger.warn("Unknown application group with ID '{}' found! Ignoring group", groupID);
-        } else {
+        if (!ApplicationGroup.UNDEFINED.equals(group)) {
             if (!this.groupList.contains(group)) {
                 this.groupList.add(group);
             }