diff --git a/kratos/input_output/vtk_definition.cpp b/kratos/input_output/vtk_definition.cpp
index 3343b5767161..715a6a28bae2 100644
--- a/kratos/input_output/vtk_definition.cpp
+++ b/kratos/input_output/vtk_definition.cpp
@@ -40,6 +40,8 @@ const std::map<GeometryData::KratosGeometryType, char> VtkDefinitions::KratosVtk
         {GeometryData::KratosGeometryType::Kratos_Hexahedra3D20, 25},
         {GeometryData::KratosGeometryType::Kratos_Prism3D15, 26},
         {GeometryData::KratosGeometryType::Kratos_Pyramid3D13, 27},
+        {GeometryData::KratosGeometryType::Kratos_Quadrilateral2D9, 28},
+        {GeometryData::KratosGeometryType::Kratos_Quadrilateral3D9, 28},
         {GeometryData::KratosGeometryType::Kratos_Hexahedra3D27, 29}};
 
 } // namespace Kratos
\ No newline at end of file