diff --git a/src/graphics/graphics_shape_object_driver.cpp b/src/graphics/graphics_shape_object_driver.cpp
index 4111f5e5..1c5b1996 100644
--- a/src/graphics/graphics_shape_object_driver.cpp
+++ b/src/graphics/graphics_shape_object_driver.cpp
@@ -53,6 +53,7 @@ GraphicsObjectPtr GraphicsShapeObjectDriver::createObject(const TDF_Label& label
         object->Attributes()->SetFaceBoundaryAspect(
             new Prs3d_LineAspect(Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.)
         );
+        object->Attributes()->SetAutoTriangulation(false);
         object->Attributes()->SetIsoOnTriangulation(true);
         //object->Attributes()->SetShadingModel(Graphic3d_TypeOfShadingModel_Pbr, true/*overrideDefaults*/);
         object->SetOwner(this);