diff --git a/WICTextureLoader/WICTextureLoader12.cpp b/WICTextureLoader/WICTextureLoader12.cpp
index 35f1c5a..763b242 100644
--- a/WICTextureLoader/WICTextureLoader12.cpp
+++ b/WICTextureLoader/WICTextureLoader12.cpp
@@ -50,7 +50,7 @@ namespace
         DXGI_FORMAT         format;
     };
 
-    WICTranslate g_WICFormats[] =
+    const WICTranslate g_WICFormats[] =
     {
         { GUID_WICPixelFormat128bppRGBAFloat,       DXGI_FORMAT_R32G32B32A32_FLOAT },
 
@@ -87,7 +87,7 @@ namespace
         GUID        target;
     };
 
-    WICConvert g_WICConvert[] =
+    const WICConvert g_WICConvert[] =
     {
         // Note target GUID in this conversion table must be one of those directly supported formats (above).