diff --git a/Source/Core/Core/HW/EXI_Channel.cpp b/Source/Core/Core/HW/EXI_Channel.cpp
index 25fae5e040..6061c78816 100644
--- a/Source/Core/Core/HW/EXI_Channel.cpp
+++ b/Source/Core/Core/HW/EXI_Channel.cpp
@@ -12,9 +12,12 @@
 #include "Core/HW/ProcessorInterface.h"
 #include "Core/PowerPC/PowerPC.h"
 
-#define EXI_READ      0
-#define EXI_WRITE     1
-#define EXI_READWRITE 2
+enum
+{
+	EXI_READ,
+	EXI_WRITE,
+	EXI_READWRITE
+};
 
 CEXIChannel::CEXIChannel(u32 ChannelId) :
 	m_DMAMemoryAddress(0),