diff --git a/src/Mod/Part/App/TopoShapePy.xml b/src/Mod/Part/App/TopoShapePy.xml
index 07d9b67d38..cdac9edc92 100644
--- a/src/Mod/Part/App/TopoShapePy.xml
+++ b/src/Mod/Part/App/TopoShapePy.xml
@@ -784,7 +784,7 @@ proximity(shape,[tolerance]) -> (selfFaces, shapeFaces)
     <Methode Name="distToShape" Const="true">
       <Documentation>
         <UserDocu>Find the minimum distance to another shape.
-distToShape(shape) -> (dist, vectors, infos)
+distToShape(shape, tol=1e-7) -> (dist, vectors, infos)
 --
 dist is the minimum distance, in mm (float value).
 
diff --git a/src/Mod/Part/App/TopoShapePyImp.cpp b/src/Mod/Part/App/TopoShapePyImp.cpp
index 0b768ebce6..41c18a2c3f 100644
--- a/src/Mod/Part/App/TopoShapePyImp.cpp
+++ b/src/Mod/Part/App/TopoShapePyImp.cpp
@@ -2605,8 +2605,9 @@ PyObject* TopoShapePy::distToShape(PyObject *args)
     BRepExtrema_SupportType supportType1, supportType2;
     TopoDS_Shape suppS1, suppS2;
     Standard_Real minDist = -1, t1, t2, u1, v1, u2, v2;
+    Standard_Real tol = Precision::Confusion();
 
-    if (!PyArg_ParseTuple(args, "O!",&(TopoShapePy::Type), &ps2))
+    if (!PyArg_ParseTuple(args, "O!|d",&(TopoShapePy::Type), &ps2, &tol))
         return nullptr;
 
     const TopoDS_Shape& s1 = getTopoShapePtr()->getShape();
@@ -2619,6 +2620,7 @@ PyObject* TopoShapePy::distToShape(PyObject *args)
         return nullptr;
     }
     BRepExtrema_DistShapeShape extss;
+    extss.SetDeflection(tol);
     extss.LoadS1(s1);
     extss.LoadS2(s2);
     try {