diff --git a/include/application.h b/include/application.h
index 92deab3..8dcfca1 100644
--- a/include/application.h
+++ b/include/application.h
@@ -1,5 +1,4 @@
-#ifndef _APPLICATION_H
-#define _APPLICATION_H
+#pragma once
 
 #include "swappy.h"
 
@@ -7,4 +6,3 @@ bool application_init(struct swappy_state *state);
 int application_run(struct swappy_state *state);
 void application_finish(struct swappy_state *state);
 
-#endif
\ No newline at end of file