diff --git a/src/Mod/Part/App/BSplineSurfacePyImp.cpp b/src/Mod/Part/App/BSplineSurfacePyImp.cpp
index 86842398f8..ef02c34028 100644
--- a/src/Mod/Part/App/BSplineSurfacePyImp.cpp
+++ b/src/Mod/Part/App/BSplineSurfacePyImp.cpp
@@ -1706,8 +1706,12 @@ PyObject* BSplineSurfacePy::scaleKnotsToBounds(PyObject *args)
     }
 }
 
-PyObject *BSplineSurfacePy::getCustomAttributes(const char* /*attr*/) const
+PyObject *BSplineSurfacePy::getCustomAttributes(const char* attr) const
 {
+    // for backward compatibility
+    if (strcmp(attr, "setBounds") == 0) {
+        return PyObject_GetAttrString(const_cast<BSplineSurfacePy*>(this), "scaleKnotsToBounds");
+    }
     return nullptr;
 }
 
diff --git a/src/Mod/Part/TestPartApp.py b/src/Mod/Part/TestPartApp.py
index 140ef1a940..a8fec8d064 100644
--- a/src/Mod/Part/TestPartApp.py
+++ b/src/Mod/Part/TestPartApp.py
@@ -188,7 +188,7 @@ class PartTestBSplineSurface(unittest.TestCase):
         bs = to.toBSpline()
         self.assertAlmostEqual(bs.bounds()[1], 2 * math.pi)
         self.assertAlmostEqual(bs.bounds()[3], 2 * math.pi)
-        bs.setBounds(0.0, 1.0, 0.0, 1.0)
+        bs.scaleKnotsToBounds(0.0, 1.0, 0.0, 1.0)
         self.assertAlmostEqual(bs.bounds()[1], 1.0)
         self.assertAlmostEqual(bs.bounds()[3], 1.0)