diff --git a/src/Mod/Part/App/FeatureMirroring.cpp b/src/Mod/Part/App/FeatureMirroring.cpp
index e95ce544b1..1f5d08b409 100644
--- a/src/Mod/Part/App/FeatureMirroring.cpp
+++ b/src/Mod/Part/App/FeatureMirroring.cpp
@@ -72,6 +72,24 @@ void Mirroring::onChanged(const App::Property* prop)
     Part::Feature::onChanged(prop);
 }
 
+void Mirroring::handleChangedPropertyType(Base::XMLReader &reader, const char *TypeName, App::Property *prop)
+{
+    if (prop == &Base && strcmp(TypeName, "App::PropertyVector") == 0) {
+        App::PropertyVector v;
+
+        v.Restore(reader);
+
+        Base.setValue(v.getValue());
+    }
+    else if (prop == &Normal && strcmp(TypeName, "App::PropertyVector") == 0) {
+        App::PropertyVector v;
+
+        v.Restore(reader);
+
+        Normal.setValue(v.getValue());
+    }
+}
+
 App::DocumentObjectExecReturn *Mirroring::execute(void)
 {
     App::DocumentObject* link = Source.getValue();
diff --git a/src/Mod/Part/App/FeatureMirroring.h b/src/Mod/Part/App/FeatureMirroring.h
index e7071fbff5..ab59b1e634 100644
--- a/src/Mod/Part/App/FeatureMirroring.h
+++ b/src/Mod/Part/App/FeatureMirroring.h
@@ -39,8 +39,8 @@ public:
     Mirroring();
 
     App::PropertyLink Source;
-    App::PropertyVector Base;
-    App::PropertyVector Normal;
+    App::PropertyPosition Base;
+    App::PropertyDirection Normal;
 
     /** @name methods override feature */
     //@{
@@ -55,6 +55,9 @@ public:
 
 protected:
     void onChanged (const App::Property* prop);
+
+    void handleChangedPropertyType(Base::XMLReader &reader, const char *TypeName, App::Property * prop);
+
 };
 
 } //namespace Part
diff --git a/src/Mod/Part/TestPartApp.py b/src/Mod/Part/TestPartApp.py
index 6c1e72ec04..c54f383a96 100644
--- a/src/Mod/Part/TestPartApp.py
+++ b/src/Mod/Part/TestPartApp.py
@@ -91,6 +91,28 @@ class PartTestBSplineCurve(unittest.TestCase):
         # spline.setOrigin(2)   # not working?
         self.spline.setPole(1, App.Vector([1, 0, 0])) # first parameter 0 gives occ error
 
+    def testIssue2671(self):
+        self.Doc = App.newDocument("Issue2671")
+        Box = self.Doc.addObject("Part::Box","Box")
+        Mirroring = self.Doc.addObject("Part::Mirroring", 'Mirroring')
+        Spreadsheet = self.Doc.addObject('Spreadsheet::Sheet', 'Spreadsheet')
+        Mirroring.Base = (8, 5, 25)
+        Mirroring.Normal = (0.5, 0.2, 0.9)
+        Spreadsheet.set('A1', '=Mirroring.Base.x')
+        Spreadsheet.set('B1', '=Mirroring.Base.y')
+        Spreadsheet.set('C1', '=Mirroring.Base.z')
+        Spreadsheet.set('A2', '=Mirroring.Normal.x')
+        Spreadsheet.set('B2', '=Mirroring.Normal.y')
+        Spreadsheet.set('C2', '=Mirroring.Normal.z')
+        self.Doc.recompute()
+        self.assertEqual(Spreadsheet.A1, Units.Quantity('8 mm'))
+        self.assertEqual(Spreadsheet.B1, Units.Quantity('5 mm'))
+        self.assertEqual(Spreadsheet.C1, Units.Quantity('25 mm'))
+        self.assertEqual(Spreadsheet.A2, Units.Quantity('0.5 mm'))
+        self.assertEqual(Spreadsheet.B2, Units.Quantity('0.2 mm'))
+        self.assertEqual(Spreadsheet.C2, Units.Quantity('0.9 mm'))
+        App.closeDocument("Issue2671")
+
     def testIssue2876(self):
         self.Doc = App.newDocument("Issue2876")
         Cylinder = self.Doc.addObject("Part::Cylinder", "Cylinder")