diff --git a/src/Mayaqua/Mayaqua.h b/src/Mayaqua/Mayaqua.h
index 45fec94f..2d88536f 100644
--- a/src/Mayaqua/Mayaqua.h
+++ b/src/Mayaqua/Mayaqua.h
@@ -8,6 +8,7 @@
 #ifndef	MAYAQUA_H
 #define	MAYAQUA_H
 
+#include <stdarg.h>
 #include <stddef.h>
 #include <stdio.h>