diff --git a/bundles/org.openhab.binding.irobot/src/test/java/org/openhab/binding/irobot/internal/handler/RoombaHandlerTest.java b/bundles/org.openhab.binding.irobot/src/test/java/org/openhab/binding/irobot/internal/handler/RoombaHandlerTest.java
index ef9e6d2f26e..59eb414dc16 100644
--- a/bundles/org.openhab.binding.irobot/src/test/java/org/openhab/binding/irobot/internal/handler/RoombaHandlerTest.java
+++ b/bundles/org.openhab.binding.irobot/src/test/java/org/openhab/binding/irobot/internal/handler/RoombaHandlerTest.java
@@ -60,7 +60,7 @@ public class RoombaHandlerTest {
     @Nullable
     private RoombaHandler handler;
     // We have to initialize it to avoid compile errors
-    private @Mock Thing thing = new ThingImpl(new ThingTypeUID("AA:BB"), "");
+    private @Mock Thing thing = new ThingImpl(new ThingTypeUID("AA:BB"), "test");
     @Nullable
     private ThingHandlerCallback callback;