diff --git a/main/main.c b/main/main.c
index 43870f4..50a578f 100644
--- a/main/main.c
+++ b/main/main.c
@@ -3,7 +3,7 @@
 #include "freertos/task.h"
 
 
-void app_main()
+void app_main(void)
 {
     int i = 0;
     while (1) {