diff --git a/dash/ResultRendererHorizontalTile.cpp b/dash/ResultRendererHorizontalTile.cpp
index 65f4e26a4..26b13ac9b 100644
--- a/dash/ResultRendererHorizontalTile.cpp
+++ b/dash/ResultRendererHorizontalTile.cpp
@@ -268,7 +268,7 @@ nux::BaseTexture* ResultRendererHorizontalTile::DrawNormal(std::string const& te
   return texture_from_cairo_graphics(cairo_graphics);
 }
 
-void ResultRendererHorizontalTile::LoadText(Result& row)
+void ResultRendererHorizontalTile::LoadText(Result const& row)
 {
   std::stringstream final_text;
   char *name = g_markup_escape_text(row.name().c_str()  , -1);
diff --git a/dash/ResultRendererHorizontalTile.h b/dash/ResultRendererHorizontalTile.h
index 3efbeb278..476c66ac7 100644
--- a/dash/ResultRendererHorizontalTile.h
+++ b/dash/ResultRendererHorizontalTile.h
@@ -51,7 +51,7 @@ class ResultRendererHorizontalTile : public ResultRendererTile
   virtual nux::NBitmapData* GetDndImage(Result const& row) const;
 
 protected:
-  virtual void LoadText(Result& row);
+  virtual void LoadText(Result const& row);
 
 private:
   nux::BaseTexture* DrawHighlight(std::string const& texid,