diff --git a/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.cpp b/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.cpp
index efabfaa039..2cfb7f030c 100644
--- a/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.cpp
@@ -55,7 +55,7 @@ using namespace Gui;
 
 /* TRANSLATOR PartDesignGui::TaskSketchBasedParameters */
 
-TaskSketchBasedParameters::TaskSketchBasedParameters(ViewProvider *vp, QWidget *parent,
+TaskSketchBasedParameters::TaskSketchBasedParameters(PartDesignGui::ViewProvider *vp, QWidget *parent,
                                                      const std::string& pixmapname, const QString& parname)
     : TaskBox(Gui::BitmapFactory().pixmap(pixmapname.c_str()),parname,true, parent),
       vp(vp), blockUpdate(false)
@@ -198,7 +198,7 @@ TaskSketchBasedParameters::~TaskSketchBasedParameters()
 // TaskDialog
 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
-TaskDlgSketchBasedParameters::TaskDlgSketchBasedParameters(ViewProvider *vp)
+TaskDlgSketchBasedParameters::TaskDlgSketchBasedParameters(PartDesignGui::ViewProvider *vp)
     : TaskDialog(),vp(vp)
 {
 }
diff --git a/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.h b/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.h
index 9724fb7130..803b39b376 100644
--- a/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.h
+++ b/src/Mod/PartDesign/Gui/TaskSketchBasedParameters.h
@@ -42,7 +42,7 @@ class TaskSketchBasedParameters : public Gui::TaskView::TaskBox, public Gui::Sel
     Q_OBJECT
 
 public:
-    TaskSketchBasedParameters(ViewProvider* vp, QWidget *parent,
+    TaskSketchBasedParameters(PartDesignGui::ViewProvider* vp, QWidget *parent,
                               const std::string& pixmapname, const QString& parname);
     ~TaskSketchBasedParameters();
 
@@ -59,7 +59,7 @@ protected Q_SLOTS:
     void onUpdateView(bool on);
 
 protected:
-    ViewProvider *vp;
+    PartDesignGui::ViewProvider *vp;
     /// Lock updateUI(), applying changes to the underlying feature and calling recomputeFeature()
     bool blockUpdate;
 };
@@ -69,7 +69,7 @@ class TaskDlgSketchBasedParameters : public Gui::TaskView::TaskDialog
     Q_OBJECT
 
 public:
-    TaskDlgSketchBasedParameters(ViewProvider *vp);
+    TaskDlgSketchBasedParameters(PartDesignGui::ViewProvider *vp);
     ~TaskDlgSketchBasedParameters();
 
 public:
@@ -90,7 +90,7 @@ public:
     { return QDialogButtonBox::Ok|QDialogButtonBox::Cancel; }
 
 protected:
-    ViewProvider   *vp;
+    PartDesignGui::ViewProvider   *vp;
 };
 
 } //namespace PartDesignGui