diff --git a/SMAA.cpp b/SMAA.cpp
index 3308a96..2ce57b2 100644
--- a/SMAA.cpp
+++ b/SMAA.cpp
@@ -46,14 +46,19 @@ using namespace std;
 
 #include "Settings.h"
 
+#ifdef UNICODE
+#define STRINGIFY(x) L#x
+#else
+#define STRINGIFY(x) #x
+#endif
 
 #pragma region Useful Macros from DXUT (copy-pasted here as we prefer this to be as self-contained as possible)
 #if defined(DEBUG) || defined(_DEBUG)
 #ifndef V
-#define V(x) { hr = (x); if (FAILED(hr)) { DXTrace(__FILE__, (DWORD)__LINE__, hr, L#x, true); } }
+#define V(x) { hr = (x); if (FAILED(hr)) { DXTrace(__FILE__, (DWORD)__LINE__, hr, STRINGIFY(x), true); } }
 #endif
 #ifndef V_RETURN
-#define V_RETURN(x) { hr = (x); if (FAILED(hr)) { return DXTrace(__FILE__, (DWORD)__LINE__, hr, L#x, true); } }
+#define V_RETURN(x) { hr = (x); if (FAILED(hr)) { return DXTrace(__FILE__, (DWORD)__LINE__, hr, STRINGIFY(x), true); } }
 #endif
 #else
 #ifndef V