diff --git a/libctru/include/3ds/ipc.h b/libctru/include/3ds/ipc.h
index b748581..d6b670d 100644
--- a/libctru/include/3ds/ipc.h
+++ b/libctru/include/3ds/ipc.h
@@ -9,8 +9,9 @@
 
 typedef enum
 {
-	IPC_BUFFER_R = 0x2,
-	IPC_BUFFER_W = 0x4,
+	IPC_BUFFER_R  = BIT(1),
+	IPC_BUFFER_W  = BIT(2),
+	IPC_BUFFER_RW = IPC_BUFFER_R | IPC_BUFFER_W
 } IPC_BufferRights;