diff --git a/src/Mod/Part/App/TopoShapePyImp.cpp b/src/Mod/Part/App/TopoShapePyImp.cpp
index 41c18a2c3f..f6d75c8dc6 100644
--- a/src/Mod/Part/App/TopoShapePyImp.cpp
+++ b/src/Mod/Part/App/TopoShapePyImp.cpp
@@ -2621,6 +2621,9 @@ PyObject* TopoShapePy::distToShape(PyObject *args)
     }
     BRepExtrema_DistShapeShape extss;
     extss.SetDeflection(tol);
+#if OCC_VERSION_HEX >= 0x070600
+    extss.SetMultiThread(true);
+#endif
     extss.LoadS1(s1);
     extss.LoadS2(s2);
     try {