diff --git a/include/wx/dataview.h b/include/wx/dataview.h
index 99b620d84d..48bd4efe85 100644
--- a/include/wx/dataview.h
+++ b/include/wx/dataview.h
@@ -514,6 +514,12 @@ public:
     virtual void SetBitmap( const wxBitmap& bitmap ) wxOVERRIDE { m_bitmap = bitmap; }
     virtual wxBitmap GetBitmap() const wxOVERRIDE { return m_bitmap; }
 
+    // Special accessor for use by wxWidgets only returning the width that was
+    // explicitly set, either by the application, using SetWidth(), or by the
+    // user, resizing the column interactively. It is usually the same as
+    // GetWidth(), but can be different for the last column.
+    virtual int WXGetSpecifiedWidth() const { return GetWidth(); }
+
 protected:
     wxDataViewRenderer      *m_renderer;
     int                      m_model_column;
diff --git a/include/wx/generic/dataview.h b/include/wx/generic/dataview.h
index e01d681123..12ee1ce1db 100644
--- a/include/wx/generic/dataview.h
+++ b/include/wx/generic/dataview.h
@@ -145,7 +145,7 @@ public:
     // user interactively.
     void WXOnResize(int width);
 
-    int WXGetManuallySetWidth() const;
+    virtual int WXGetSpecifiedWidth() const wxOVERRIDE;
 
 private:
     // common part of all ctors
diff --git a/include/wx/persist/dataview.h b/include/wx/persist/dataview.h
index c5f212b2ee..ee10c02480 100644
--- a/include/wx/persist/dataview.h
+++ b/include/wx/persist/dataview.h
@@ -61,7 +61,15 @@ public:
             SaveValue(columnPrefix + wxPERSIST_DVC_HIDDEN, column->IsHidden());
             SaveValue(columnPrefix + wxPERSIST_DVC_POS,
                       control->GetColumnPosition(column));
-            SaveValue(columnPrefix + wxPERSIST_DVC_WIDTH, column->GetWidth());
+
+            // We take special care to save only the specified width instead of
+            // the currently used one. Usually they're one and the same, but
+            // they can be different for the last column, whose size can be
+            // greater than specified, as it's always expanded to fill the
+            // entire control width.
+            const int width = column->WXGetSpecifiedWidth();
+            if ( width > 0 )
+                SaveValue(columnPrefix + wxPERSIST_DVC_WIDTH, width);
 
             // Check if this column is the current sort key.
             if ( column->IsSortKey() )
diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index 0e8689765d..0bfdc18df2 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -217,7 +217,7 @@ void wxDataViewColumn::WXOnResize(int width)
     m_owner->OnColumnResized();
 }
 
-int wxDataViewColumn::WXGetManuallySetWidth() const
+int wxDataViewColumn::WXGetSpecifiedWidth() const
 {
     // Note that we need to return valid value even if no width was initially
     // specified, as otherwise the last column created without any explicit
@@ -5130,7 +5130,7 @@ void wxDataViewMainWindow::UpdateColumnSizes()
         // reduce it until this size if it's currently wider, so this
         // comparison needs to be strict).
         if ( availableWidth < wxMax(lastCol->GetMinWidth(),
-                                    lastCol->WXGetManuallySetWidth()) )
+                                    lastCol->WXGetSpecifiedWidth()) )
         {
             return;
         }
@@ -5319,7 +5319,7 @@ void wxDataViewCtrl::OnDPIChanged(wxDPIChangedEvent& event)
             minWidth = minWidth * event.GetNewDPI().x / event.GetOldDPI().x;
         m_cols[i]->SetMinWidth(minWidth);
 
-        int width = m_cols[i]->WXGetManuallySetWidth();
+        int width = m_cols[i]->WXGetSpecifiedWidth();
         if ( width > 0 )
             width = width * event.GetNewDPI().x / event.GetOldDPI().x;
         m_cols[i]->SetWidth(width);