diff --git a/include/ck_tile/ops/gemm/pipeline/tile_gemm_traits.hpp b/include/ck_tile/ops/gemm/pipeline/tile_gemm_traits.hpp
index 64900c9a97..f6d5781d67 100644
--- a/include/ck_tile/ops/gemm/pipeline/tile_gemm_traits.hpp
+++ b/include/ck_tile/ops/gemm/pipeline/tile_gemm_traits.hpp
@@ -56,6 +56,9 @@ struct TileGemmUniversalTraits
     using BLayout = BLayout_;
     using CLayout = CLayout_;
 
+    // TODO this can't be hardcoded here! Should be in policy!
+    static constexpr int _VectorSize = 16;
+
     static constexpr bool TransposeC            = TransposeC_;
     static constexpr bool UseStructuredSparsity = UseStructuredSparsity_;
     static constexpr bool UsePersistentKernel   = UsePersistentKernel_;