diff --git a/src/Mod/Drawing/Gui/AppDrawingGuiPy.cpp b/src/Mod/Drawing/Gui/AppDrawingGuiPy.cpp
index 0baeca6f95..cce22c422c 100644
--- a/src/Mod/Drawing/Gui/AppDrawingGuiPy.cpp
+++ b/src/Mod/Drawing/Gui/AppDrawingGuiPy.cpp
@@ -195,12 +195,16 @@ private:
                                     Drawing::ProjectionAlgos::ExtractionType type =
                                         Drawing::ProjectionAlgos::Plain;
                                     if (hidden) {
-                                        type = (Drawing::ProjectionAlgos::ExtractionType)(
-                                            type | Drawing::ProjectionAlgos::WithHidden);
+                                        type = (Drawing::ProjectionAlgos::
+                                                    ExtractionType)(type
+                                                                    | Drawing::ProjectionAlgos::
+                                                                        WithHidden);
                                     }
                                     if (smooth) {
-                                        type = (Drawing::ProjectionAlgos::ExtractionType)(
-                                            type | Drawing::ProjectionAlgos::WithSmooth);
+                                        type = (Drawing::ProjectionAlgos::
+                                                    ExtractionType)(type
+                                                                    | Drawing::ProjectionAlgos::
+                                                                        WithSmooth);
                                     }
                                     float scale = view->Scale.getValue();
                                     float tol = view->Tolerance.getValue();
diff --git a/src/Mod/MeshPart/App/MeshFlattening.cpp b/src/Mod/MeshPart/App/MeshFlattening.cpp
index ba4384c490..f845b0a299 100644
--- a/src/Mod/MeshPart/App/MeshFlattening.cpp
+++ b/src/Mod/MeshPart/App/MeshFlattening.cpp
@@ -129,7 +129,7 @@ FaceUnwrapper::FaceUnwrapper(const TopoDS_Face& face)
     TopLoc_Location location;
 
     //  triangulate:
-    const Handle(Poly_Triangulation)& triangulation = BRep_Tool::Triangulation(face, location);
+    const Handle(Poly_Triangulation) & triangulation = BRep_Tool::Triangulation(face, location);
 
     if (triangulation.IsNull()) {
         throw std::runtime_error("null triangulation in face construction");
@@ -189,8 +189,8 @@ ColMat<double, 3> FaceUnwrapper::interpolateFlatFace(const TopoDS_Face& face)
     }
 
     // extract xyz poles, knots, weights, degree
-    const Handle(Geom_Surface)& _surface = BRep_Tool::Surface(face);
-    const Handle(Geom_BSplineSurface)& _bspline = Handle(Geom_BSplineSurface)::DownCast(_surface);
+    const Handle(Geom_Surface) & _surface = BRep_Tool::Surface(face);
+    const Handle(Geom_BSplineSurface) & _bspline = Handle(Geom_BSplineSurface)::DownCast(_surface);
 
     const TColStd_Array1OfReal& _uknots = _bspline->UKnotSequence();
     const TColStd_Array1OfReal& _vknots = _bspline->VKnotSequence();
diff --git a/src/Mod/Test/Gui/UnitTestPy.h b/src/Mod/Test/Gui/UnitTestPy.h
index 3442ff39fe..438e42baba 100644
--- a/src/Mod/Test/Gui/UnitTestPy.h
+++ b/src/Mod/Test/Gui/UnitTestPy.h
@@ -60,7 +60,7 @@ public:
     Py::Object clearUnitTests(const Py::Tuple&);
 
 private:
-    using method_varargs_handler = PyObject* (*)(PyObject* _self, PyObject* _args);
+    using method_varargs_handler = PyObject* (*)(PyObject * _self, PyObject* _args);
     static method_varargs_handler pycxx_handler;
     static PyObject* method_varargs_ext_handler(PyObject* _self, PyObject* _args);
 };