diff --git a/MathLib/LinAlg/MatrixVectorTraits.cpp b/MathLib/LinAlg/MatrixVectorTraits.cpp
index e2f1ce8a17e462fc5b1409ee68a925222d57b1e1..ffc7174c86795620aba0c56e4dcba4538b3c6f84 100644
--- a/MathLib/LinAlg/MatrixVectorTraits.cpp
+++ b/MathLib/LinAlg/MatrixVectorTraits.cpp
@@ -82,6 +82,13 @@ newInstance(MatrixSpecifications const& spec)
     }
 }
 
+std::unique_ptr<PETScVector> MatrixVectorTraits<PETScVector>::newInstance(
+    PETScVector::IndexType const length)
+{
+    auto const is_global_size = true;
+
+    return std::make_unique<PETScVector>(length, is_global_size);
+}
 } // namespace MathLib