diff --git a/src/alpaqa/include/alpaqa/util/print.hpp b/src/alpaqa/include/alpaqa/util/print.hpp
index a0ae3cf584..90a9a3d757 100644
--- a/src/alpaqa/include/alpaqa/util/print.hpp
+++ b/src/alpaqa/include/alpaqa/util/print.hpp
@@ -13,12 +13,12 @@ std::ostream &print_python(std::ostream &os,
                            const Eigen::DenseBase<Derived> &M) {
     if constexpr (requires { M.derived().data(); })
         return guanaqo::detail::print_python_impl(
-            os, guanaqo::MatrixView<const typename Derived::Scalar>{
-                    .data   = M.derived().data(),
-                    .rows   = M.rows(),
-                    .cols   = M.cols(),
-                    .stride = M.outerStride(),
-                });
+            os, guanaqo::MatrixView<const typename Derived::Scalar>{{
+                    .data         = M.derived().data(),
+                    .rows         = M.rows(),
+                    .cols         = M.cols(),
+                    .outer_stride = M.outerStride(),
+                }});
     else
         return print_python(os, M.eval());
 }