diff --git a/src/espmega_iot_core.cpp b/src/espmega_iot_core.cpp
index 7e9a142..df30835 100644
--- a/src/espmega_iot_core.cpp
+++ b/src/espmega_iot_core.cpp
@@ -289,8 +289,8 @@ void ota_begin()
           {
             lcd_send_stop_bit();
             uint32_t totalsize_kb = upload.totalSize / 1000;
-            uint32_t upload_pct = 100 * upload.totalSize/1000000;
-            String otafiletxt = "Downloading File : " + upload.filename + " ("+String(totalsize_kb) + "KB)";
+            uint32_t upload_pct = 100 * upload.totalSize / 1000000;
+            String otafiletxt = "Downloading File : " + upload.filename + " (" + String(totalsize_kb) + "KB)";
             panel.writeNum("prog.val", upload_pct);
             panel.writeStr("otatxt.txt", otafiletxt);
           }
@@ -726,6 +726,7 @@ void ac_set_state(int mode, int temperature, int fan_speed)
     IrSender.sendRaw(ir_code_fan[fan_speed], sizeof(ir_code_fan[fan_speed]) / sizeof(ir_code_fan[fan_speed][0]), NEC_KHZ);
     break;
   }
+  ac_changed_user_callback(mode, temperature, fan_speed);
 }
 
 void publish_env_state()
diff --git a/src/user_code.hpp b/src/user_code.hpp
index 953b4a3..4379e60 100644
--- a/src/user_code.hpp
+++ b/src/user_code.hpp
@@ -47,6 +47,7 @@ void user_init();
 void user_loop();
 void virtual_interrupt_user_callback(int pin, int state);
 void pwm_changed_user_callback(int pin);
+void ac_changed_user_callback(int mode, int temperature, int fan_speed);
 void timer_tick_callback();
 void lt_btn_cb(void *comp);
 void fan_btn_cb(void *comp);