diff --git a/rtgui/previewhandler.cc b/rtgui/previewhandler.cc
index 68828cf5d..0452db0c2 100644
--- a/rtgui/previewhandler.cc
+++ b/rtgui/previewhandler.cc
@@ -211,7 +211,7 @@ Glib::RefPtr<Gdk::Pixbuf> PreviewHandler::getRoughImage (int desiredW, int desir
         double zoom = zoom1<zoom2 ? zoom1 : zoom2;
         
         resPixbuf = Gdk::Pixbuf::create (Gdk::COLORSPACE_RGB, false, 8, image->getWidth()*zoom, image->getHeight()*zoom);
-        previewImg->scale (resPixbuf, 0, 0, previewImg->get_width()*zoom, previewImg->get_height()*zoom, 0, 0, zoom, zoom, Gdk::INTERP_NEAREST);
+        previewImg->scale (resPixbuf, 0, 0, previewImg->get_width()*zoom, previewImg->get_height()*zoom, 0, 0, zoom, zoom, Gdk::INTERP_BILINEAR);
         zoom_ = zoom / previewScale;
     }