diff --git a/include/llama/ArrayExtents.hpp b/include/llama/ArrayExtents.hpp
index 47fa7d6d6f..a6b4326b7a 100644
--- a/include/llama/ArrayExtents.hpp
+++ b/include/llama/ArrayExtents.hpp
@@ -237,7 +237,8 @@ namespace llama
 
     /// N-dimensional ArrayExtents where all values are dynamic.
     template<std::size_t N, typename SizeType = std::size_t>
-    using ArrayExtentsDynamic = ArrayExtentsNCube<N, static_cast<SizeType>(dyn)>;
+    using ArrayExtentsDynamic
+        = ArrayExtentsNCube<N, static_cast<SizeType>(-1 /*dyn*/)>; // VS2019/VS2022 cannot handle dyn here
 
     template<typename SizeType, std::size_t Dim, typename Func, typename... OuterIndices>
     LLAMA_FN_HOST_ACC_INLINE void forEachADCoord(