diff --git a/DirectXTex/DirectXTexUtil.cpp b/DirectXTex/DirectXTexUtil.cpp
index e67e931..6d3347b 100644
--- a/DirectXTex/DirectXTexUtil.cpp
+++ b/DirectXTex/DirectXTexUtil.cpp
@@ -44,7 +44,7 @@ struct WICTranslate
     bool        srgb;
 };
 
-static WICTranslate g_WICFormats[] = 
+static const WICTranslate g_WICFormats[] = 
 {
     { GUID_WICPixelFormat128bppRGBAFloat,       DXGI_FORMAT_R32G32B32A32_FLOAT,         false },
 
diff --git a/DirectXTex/DirectXTexWIC.cpp b/DirectXTex/DirectXTexWIC.cpp
index bfbd94a..7079e50 100644
--- a/DirectXTex/DirectXTexWIC.cpp
+++ b/DirectXTex/DirectXTexWIC.cpp
@@ -77,7 +77,7 @@ struct WICConvert
     GUID        target;
 };
 
-static WICConvert g_WICConvert[] = 
+static const WICConvert g_WICConvert[] = 
 {
     // Directly support the formats listed in XnaTexUtil::g_WICFormats, so no conversion required
     // Note target GUID in this conversion table must be one of those directly supported formats.