diff --git a/DirectXTex/DirectXTexSwizzle.cpp b/DirectXTex/DirectXTexSwizzle.cpp
index 60fe8ad..b4ee94f 100644
--- a/DirectXTex/DirectXTexSwizzle.cpp
+++ b/DirectXTex/DirectXTexSwizzle.cpp
@@ -55,7 +55,7 @@ namespace
     constexpr size_t MAX_TEXTURE_DIMENSION = 16384u;
 
 #if defined(_M_X64) || defined(_M_ARM64) || __x86_64__ || __aarch64__
-    constexpr uint64_t MAX_TEXTURE_SIZE = 16384u * 16384u * 16u;
+    constexpr uint64_t MAX_TEXTURE_SIZE = UINT64_C(16384) * UINT64_C(16384) * 16u;
 #else
     constexpr uint64_t MAX_TEXTURE_SIZE = UINT32_MAX;
 #endif
@@ -709,4 +709,4 @@ HRESULT DirectX::StandardSwizzle(
             }
         }
     }
-#endif
\ No newline at end of file
+#endif