diff --git a/Source/Core/VideoCommon/VertexShaderGen.h b/Source/Core/VideoCommon/VertexShaderGen.h
index a93358d923..7d533c4061 100644
--- a/Source/Core/VideoCommon/VertexShaderGen.h
+++ b/Source/Core/VideoCommon/VertexShaderGen.h
@@ -11,22 +11,25 @@
 enum class APIType;
 
 // TODO should be reordered
-#define SHADER_POSITION_ATTRIB 0
-#define SHADER_POSMTX_ATTRIB 1
-#define SHADER_NORM0_ATTRIB 2
-#define SHADER_NORM1_ATTRIB 3
-#define SHADER_NORM2_ATTRIB 4
-#define SHADER_COLOR0_ATTRIB 5
-#define SHADER_COLOR1_ATTRIB 6
+enum : int
+{
+  SHADER_POSITION_ATTRIB = 0,
+  SHADER_POSMTX_ATTRIB = 1,
+  SHADER_NORM0_ATTRIB = 2,
+  SHADER_NORM1_ATTRIB = 3,
+  SHADER_NORM2_ATTRIB = 4,
+  SHADER_COLOR0_ATTRIB = 5,
+  SHADER_COLOR1_ATTRIB = 6,
 
-#define SHADER_TEXTURE0_ATTRIB 8
-#define SHADER_TEXTURE1_ATTRIB 9
-#define SHADER_TEXTURE2_ATTRIB 10
-#define SHADER_TEXTURE3_ATTRIB 11
-#define SHADER_TEXTURE4_ATTRIB 12
-#define SHADER_TEXTURE5_ATTRIB 13
-#define SHADER_TEXTURE6_ATTRIB 14
-#define SHADER_TEXTURE7_ATTRIB 15
+  SHADER_TEXTURE0_ATTRIB = 8,
+  SHADER_TEXTURE1_ATTRIB = 9,
+  SHADER_TEXTURE2_ATTRIB = 10,
+  SHADER_TEXTURE3_ATTRIB = 11,
+  SHADER_TEXTURE4_ATTRIB = 12,
+  SHADER_TEXTURE5_ATTRIB = 13,
+  SHADER_TEXTURE6_ATTRIB = 14,
+  SHADER_TEXTURE7_ATTRIB = 15
+};
 
 #pragma pack(1)