diff --git a/bundles/org.openhab.binding.avmfritz/src/main/java/org/openhab/binding/avmfritz/internal/callmonitor/CallMonitor.java b/bundles/org.openhab.binding.avmfritz/src/main/java/org/openhab/binding/avmfritz/internal/callmonitor/CallMonitor.java
index 17d3d180a23..2cd009e738b 100644
--- a/bundles/org.openhab.binding.avmfritz/src/main/java/org/openhab/binding/avmfritz/internal/callmonitor/CallMonitor.java
+++ b/bundles/org.openhab.binding.avmfritz/src/main/java/org/openhab/binding/avmfritz/internal/callmonitor/CallMonitor.java
@@ -121,7 +121,7 @@ public class CallMonitor {
                     reconnectTime = 60000L;
                 } catch (IOException e) {
                     handler.setStatusInfo(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
-                            "Cannot connect to FRITZ!Box Call Monitor - make sure to enable it by dialing '#96*5'!");
+                            "Cannot connect to FRITZ!Box Call Monitor - make sure to enable it by dialing '#96*5*'!");
                     logger.debug("Error attempting to connect to FRITZ!Box. Retrying in {} seconds",
                             reconnectTime / 1000L, e);
                     try {