diff --git a/mosquitto/config.json b/mosquitto/config.json
index 096904b..189929c 100644
--- a/mosquitto/config.json
+++ b/mosquitto/config.json
@@ -1,6 +1,6 @@
 {
   "name": "Mosquitto broker",
-  "version": "0.2",
+  "version": "0.3",
   "slug": "mosquitto",
   "description": "An Open Source MQTT broker",
   "startup": "before",
diff --git a/mosquitto/mosquitto.conf b/mosquitto/mosquitto.conf
index 6852793..9734192 100644
--- a/mosquitto/mosquitto.conf
+++ b/mosquitto/mosquitto.conf
@@ -14,4 +14,4 @@ persistence_location /data/
 ##
 # User settings
 #password_file /data/users.db
-#allow_anonymous true
+#allow_anonymous false
diff --git a/mosquitto/run.sh b/mosquitto/run.sh
index 53c5fdf..cc9531f 100644
--- a/mosquitto/run.sh
+++ b/mosquitto/run.sh
@@ -33,7 +33,7 @@ if [ "$SSL" == "true" ]; then
 fi
 
 # Allow anonymous connections
-if [ "$ANONYMOUS" == "true" ]; then
+if [ "$ANONYMOUS" == "false" ]; then
     sed -i "s/#allow_anonymous/allow_anonymous/g" /etc/mosquitto.conf
 fi