1 files changed, 2 insertions, 4 deletions

diff --git a/src/mqtt.c b/src/mqtt.c
index 5a8bfc0..be4b9d2 100644
--- a/src/mqtt.c
+++ b/src/mqtt.c
@@ -49,10 +49,8 @@ mqtt_handle_messages(struct mosquitto    *client,
                 mosquitto_message_callback_set(client, callback);
         }
 
-        int *mid = NULL;
-
         for ( size_t idx = 0; topics[idx] != NULL; ++idx ) {
-                mosquitto_subscribe(client, mid, topics[idx], 0);
+                mosquitto_subscribe(client, NULL, topics[idx], 0);
         }
 
         while ( !*quit ) {
@@ -67,7 +65,7 @@ mqtt_handle_messages(struct mosquitto    *client,
         }
 
         for ( size_t idx = 0; topics[idx] != NULL; ++idx ) {
-                mosquitto_unsubscribe(client, mid, topics[idx]);
+                mosquitto_unsubscribe(client, NULL, topics[idx]);
         }
 }