diff --git a/CMakeLists.txt b/CMakeLists.txt
index 48f8dd6..a85fc70 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.7)
 project(controller
-        VERSION 0.2.3
+        VERSION 0.2.4
         LANGUAGES C)
 
 add_executable(controller src/main.c)
diff --git a/src/connections.c b/src/connections.c
index 3be866f..2f2b2f2 100644
--- a/src/connections.c
+++ b/src/connections.c
@@ -29,7 +29,7 @@ struct mg_connection*
 connection_mqtt_connect(struct mg_mgr *mgr)
 {
     char address[100];
-    sprintf(address, "tcp://localhost:%u", global_config.mqtt_port);
+    sprintf(address, "tcp://127.0.0.1:%u", global_config.mqtt_port);
     struct mg_connection *c = mg_connect(mgr, address, handler_mqtt);
     return c;
 }