diff --git a/firmware/main.c b/firmware/main.c
index 2e80d08..b993110 100644
--- a/firmware/main.c
+++ b/firmware/main.c
@@ -13,8 +13,7 @@
 
 /*! \brief Main loop
  */
-int __attribute__((OS_main))
-main()
+int __attribute__((OS_main)) main()
 {
     // Initialize the AVR and the USB connection.
     init();