diff --git a/WICTextureLoader/WICTextureLoader.cpp b/WICTextureLoader/WICTextureLoader.cpp
index 6b1bbb1..152f91c 100644
--- a/WICTextureLoader/WICTextureLoader.cpp
+++ b/WICTextureLoader/WICTextureLoader.cpp
@@ -68,7 +68,7 @@ namespace
         DXGI_FORMAT         format;
     };
 
-    WICTranslate g_WICFormats[] = 
+    const WICTranslate g_WICFormats[] = 
     {
         { GUID_WICPixelFormat128bppRGBAFloat,       DXGI_FORMAT_R32G32B32A32_FLOAT },
 
@@ -103,7 +103,7 @@ 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).