diff --git a/src/Mod/PartDesign/Gui/ViewProviderBody.cpp b/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
index 06a590f57..bff6eb94a 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
@@ -24,9 +24,9 @@
 #include "PreCompiled.h"
 
 #ifndef _PreComp_
+# include <boost/bind.hpp>
 # include <Inventor/nodes/SoSeparator.h>
 # include <Inventor/actions/SoGetBoundingBoxAction.h>
-# include <Inventor/SbBox3d.h>
 # include <Precision.hxx>
 #endif
 
@@ -39,6 +39,7 @@
 #include <Gui/View3DInventor.h>
 #include <Gui/View3DInventorViewer.h>
 #include <Gui/ViewProviderOrigin.h>
+#include <Gui/ViewProviderOriginFeature.h>
 
 #include <Mod/PartDesign/App/Body.h>
 #include <Mod/PartDesign/App/FeatureSketchBased.h>
@@ -89,6 +90,18 @@ void ViewProviderBody::attach(App::DocumentObject *pcFeat)
 
     addDisplayMaskMode(pcBodyChildren, "Through");
     addDisplayMaskMode(pcBodyTip, "Tip");
+
+    App::Document *adoc  = pcObject->getDocument ();
+    Gui::Document *gdoc = Gui::Application::Instance->getDocument ( adoc ) ;
+
+    assert ( adoc );
+    assert ( gdoc );
+
+    connectChangedObjectApp = adoc->signalChangedObject.connect (
+            boost::bind ( &ViewProviderBody::slotChangedObjectApp, this, _1) );
+
+    connectChangedObjectGui = gdoc->signalChangedObject.connect (
+            boost::bind ( &ViewProviderBody::slotChangedObjectGui, this, _1) );
 }
 
 // TODO on activating the body switch to the "Through" mode (2015-09-05, Fat-Zer)
@@ -254,6 +267,28 @@ void ViewProviderBody::updateData(const App::Property* prop)
     PartGui::ViewProviderPart::updateData(prop);
 }
 
+
+void ViewProviderBody::slotChangedObjectApp ( const App::DocumentObject& obj ) {
+    PartDesign::Body *body = static_cast<PartDesign::Body*> ( getObject() );
+    if ( body && body->hasFeature (&obj ) ) {
+        updateOriginDatumSize ();
+    }
+}
+
+void ViewProviderBody::slotChangedObjectGui ( const Gui::ViewProviderDocumentObject& vp ) {
+    if ( !vp.isDerivedFrom ( Gui::ViewProviderOrigin::getClassTypeId () ) &&
+         !vp.isDerivedFrom ( Gui::ViewProviderOriginFeature::getClassTypeId () ) ) {
+        // Ignore origins to avoid infinite recursion (not likely in a well-formed document,
+        //          but may happen in documents designed in old versions of assembly branch )
+        PartDesign::Body *body = static_cast<PartDesign::Body*> ( getObject() );
+        App::DocumentObject *obj = vp.getObject ();
+
+        if ( body && obj && body->hasFeature ( obj ) ) {
+            updateOriginDatumSize ();
+        }
+    }
+}
+
 void ViewProviderBody::updateOriginDatumSize () {
     PartDesign::Body *body = static_cast<PartDesign::Body *> ( getObject() );
     // Use different bounding boxes for datums and for origins:
diff --git a/src/Mod/PartDesign/Gui/ViewProviderBody.h b/src/Mod/PartDesign/Gui/ViewProviderBody.h
index ecdcf0f63..5be289578 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderBody.h
+++ b/src/Mod/PartDesign/Gui/ViewProviderBody.h
@@ -73,6 +73,11 @@ public:
      * @note datums are counted as their base point only
      */
     SbBox3f getBoundBox ();
+
+protected:
+    void slotChangedObjectApp ( const App::DocumentObject& obj );
+    void slotChangedObjectGui ( const Gui::ViewProviderDocumentObject& obj );
+
 private:
     /// group used to store children collected by claimChildren3D() in the through (edit) mode.
     SoGroup *pcBodyChildren;
@@ -81,6 +86,9 @@ private:
 
     /// Update the children's highlighting
     //void updateTree();
+
+    boost::signals::connection connectChangedObjectApp;
+    boost::signals::connection connectChangedObjectGui;
 };