diff --git a/src/Cafe/HW/Latte/Core/LatteRingBuffer.h b/src/Cafe/HW/Latte/Core/LatteRingBuffer.h
index ce28c483..325836cc 100644
--- a/src/Cafe/HW/Latte/Core/LatteRingBuffer.h
+++ b/src/Cafe/HW/Latte/Core/LatteRingBuffer.h
@@ -1,3 +1,4 @@
+#pragma once
 
 typedef struct
 {