diff --git a/orchestrateur/mqtt/mosquitto-plain.conf b/orchestrateur/mqtt/mosquitto-plain.conf
index f9855df..99dc4b9 100644
--- a/orchestrateur/mqtt/mosquitto-plain.conf
+++ b/orchestrateur/mqtt/mosquitto-plain.conf
@@ -8,5 +8,5 @@ log_type notice
 log_type information
 allow_anonymous true
 
-listener 8884
+listener 8884 ::
 protocol mqtt
\ No newline at end of file
diff --git a/orchestrateur/mqtt/mosquitto-tls.conf b/orchestrateur/mqtt/mosquitto-tls.conf
index 8b3cde3..43829b4 100644
--- a/orchestrateur/mqtt/mosquitto-tls.conf
+++ b/orchestrateur/mqtt/mosquitto-tls.conf
@@ -8,7 +8,7 @@ log_type notice
 log_type information
 allow_anonymous true
 
-listener 8884
+listener 8884 ::
 protocol mqtt
 cafile /mosquitto/certs/ca.crt
 certfile /mosquitto/certs/server.crt